GUARANTOR/NON-GUARANTOR FINANCIAL INFORMATION, Condensed Consolidating Statements of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Oct. 01, 2016
Jul. 02, 2016
Apr. 02, 2016
Dec. 31, 2015
Oct. 03, 2015
Jul. 04, 2015
Apr. 04, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales $ 462,293 $ 530,392 $ 510,545 $ 408,614 $ 430,460 $ 530,884 $ 502,334 $ 376,048 $ 1,911,844 $ 1,839,726 $ 1,566,643
Cost of products sold                 1,449,570 1,420,014 1,258,842
Gross profit 103,484 136,800 135,289 86,701 99,907 134,781 124,743 60,281 462,274 419,712 307,801
Operating expenses:                      
Selling, general and administrative expenses                 268,714 271,874 224,163
Intercompany administrative charges                 0 0 0
Amortization of intangible assets                 25,064 25,306 22,140
Total operating expenses                 293,778 297,180 246,303
Operating earnings                 168,496 122,532 61,498
Foreign currency gain (loss)                 299 (3,166) (992)
Intercompany interest                 0 0 0
Interest expense                 (72,718) (74,876) (71,269)
Interest income                 36 57 83
tax receivable agreement adjustment                 (60,874) (12,947) 670
Loss on modification or extinguishment of debt 7,100 2,300   2,400         11,747 0 21,364
Intercompany administrative income                 0 0 0
Income (loss) before equity in subsidiaries' income (loss)                 23,492 31,600 (31,374)
Equity Income In Consolidated Subsidiaries                 0 0 0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 23,492 31,600 (31,374)
Benefit from income taxes                 (51,995) (688) (105)
Net income (loss) $ 6,663 $ 54,755 $ 41,646 $ (27,577) $ 9,064 $ 41,711 $ 30,372 $ (48,859) 75,487 32,288 (31,269)
Other comprehensive income (loss):                      
Currency translation                 2,950 (14,690) (9,681)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 29 (465) 1,294
Minimum pension liability for actuarial gain (loss)                 295 (1,436) (8,374)
Comprehensive income (loss)                 78,761 15,697 (48,030)
Guarantor Ply Gem Holdings, Inc. [Member]                      
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales                 0 0 0
Cost of products sold                 0 0 0
Gross profit                 0 0 0
Operating expenses:                      
Selling, general and administrative expenses                 0 0 0
Intercompany administrative charges                 0 0 0
Amortization of intangible assets                 0 0 0
Total operating expenses                 0 0 0
Operating earnings                 0 0 0
Foreign currency gain (loss)                 0 0 0
Intercompany interest                 0 0 0
Interest expense                 0 0 0
Interest income                 0 0 0
tax receivable agreement adjustment                 0 0 0
Loss on modification or extinguishment of debt                 0   0
Intercompany administrative income                 0 0 0
Income (loss) before equity in subsidiaries' income (loss)                 0 0 0
Equity Income In Consolidated Subsidiaries                 75,487 32,288 (31,269)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 75,487 32,288 (31,269)
Benefit from income taxes                 0 0 0
Net income (loss)                 75,487 32,288 (31,269)
Other comprehensive income (loss):                      
Currency translation                 0 0 0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 0 0 0
Minimum pension liability for actuarial gain (loss)                 0 0 0
Comprehensive income (loss)                 75,487 32,288 (31,269)
Issuer Ply Gem Industries, Inc. [Member]                      
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales                 0 0 0
Cost of products sold                 0 0 0
Gross profit                 0 0 0
Operating expenses:                      
Selling, general and administrative expenses                 32,141 30,317 23,931
Intercompany administrative charges                 0 0 0
Amortization of intangible assets                 0 0 0
Total operating expenses                 32,141 30,317 23,931
Operating earnings                 (32,141) (30,317) (23,931)
Foreign currency gain (loss)                 0 0 0
Intercompany interest                 63,716 63,391 60,442
Interest expense                 (72,716) (74,863) (71,234)
Interest income                 6 5 5
tax receivable agreement adjustment                 (60,874) (12,947) 670
Loss on modification or extinguishment of debt                 11,747   21,364
Intercompany administrative income                 37,667 34,647 23,983
Income (loss) before equity in subsidiaries' income (loss)                 (76,089) (20,084) (31,429)
Equity Income In Consolidated Subsidiaries                 151,576 52,372 160
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 75,487 32,288 (31,269)
Benefit from income taxes                 0 0 0
Net income (loss)                 75,487 32,288 (31,269)
Other comprehensive income (loss):                      
Currency translation                 0 0 0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 0 0 0
Minimum pension liability for actuarial gain (loss)                 0 0 (3,504)
Comprehensive income (loss)                 75,487 32,288 (34,773)
Guarantor Subsidiaries [Member]                      
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales                 1,713,112 1,616,407 1,287,810
Cost of products sold                 1,298,281 1,249,887 1,039,502
Gross profit                 414,831 366,520 248,308
Operating expenses:                      
Selling, general and administrative expenses                 190,444 189,477 135,434
Intercompany administrative charges                 32,487 28,704 17,381
Amortization of intangible assets                 20,707 20,737 16,806
Total operating expenses                 243,638 238,918 169,621
Operating earnings                 171,193 127,602 78,687
Foreign currency gain (loss)                 0 0 0
Intercompany interest                 (59,859) (59,641) (56,941)
Interest expense                 0 (4) (32)
Interest income                 13 28 30
tax receivable agreement adjustment                 0 0 0
Loss on modification or extinguishment of debt                 0   0
Intercompany administrative income                 0 0 0
Income (loss) before equity in subsidiaries' income (loss)                 111,347 67,985 21,744
Equity Income In Consolidated Subsidiaries                 0 0 0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 111,347 67,985 21,744
Benefit from income taxes                 (50,995) (232) (4,284)
Net income (loss)                 162,342 68,217 26,028
Other comprehensive income (loss):                      
Currency translation                 0 0 0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 0 0 0
Minimum pension liability for actuarial gain (loss)                 295 (1,436) (4,870)
Comprehensive income (loss)                 162,637 66,781 21,158
Non-Guarantor Subsidiary [Member]                      
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales                 198,732 223,319 278,833
Cost of products sold                 151,289 170,127 219,340
Gross profit                 47,443 53,192 59,493
Operating expenses:                      
Selling, general and administrative expenses                 46,129 52,080 64,798
Intercompany administrative charges                 5,180 5,943 6,602
Amortization of intangible assets                 4,357 4,569 5,334
Total operating expenses                 55,666 62,592 76,734
Operating earnings                 (8,223) (9,400) (17,241)
Foreign currency gain (loss)                 299 (3,166) (992)
Intercompany interest                 (3,857) (3,750) (3,501)
Interest expense                 (2) (9) (3)
Interest income                 17 24 48
tax receivable agreement adjustment                 0 0 0
Loss on modification or extinguishment of debt                 0   0
Intercompany administrative income                 0 0 0
Income (loss) before equity in subsidiaries' income (loss)                 (11,766) (16,301) (21,689)
Equity Income In Consolidated Subsidiaries                 0 0 0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 (11,766) (16,301) (21,689)
Benefit from income taxes                 (1,000) (456) 4,179
Net income (loss)                 (10,766) (15,845) (25,868)
Other comprehensive income (loss):                      
Currency translation                 2,950 (14,690) (9,681)
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 29 (465) 1,294
Minimum pension liability for actuarial gain (loss)                 0 0 0
Comprehensive income (loss)                 (7,787) (31,000) (34,255)
Consolidating Adjustments [Member]                      
CONDENSED CONSOLIDATING STATEMENTS OF OPERATIONS [Abstract]                      
Net sales                 0 0 0
Cost of products sold                 0 0 0
Gross profit                 0 0 0
Operating expenses:                      
Selling, general and administrative expenses                 0 0 0
Intercompany administrative charges                 (37,667) (34,647) (23,983)
Amortization of intangible assets                 0 0 0
Total operating expenses                 (37,667) (34,647) (23,983)
Operating earnings                 37,667 34,647 23,983
Foreign currency gain (loss)                 0 0 0
Intercompany interest                 0 0 0
Interest expense                 0 0 0
Interest income                 0 0 0
tax receivable agreement adjustment                 0 0 0
Loss on modification or extinguishment of debt                 0   0
Intercompany administrative income                 (37,667) (34,647) (23,983)
Income (loss) before equity in subsidiaries' income (loss)                 0 0 0
Equity Income In Consolidated Subsidiaries                 (227,063) (84,660) 31,109
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest                 (227,063) (84,660) 31,109
Benefit from income taxes                 0 0 0
Net income (loss)                 (227,063) (84,660) 31,109
Other comprehensive income (loss):                      
Currency translation                 0 0 0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net                 0 0 0
Minimum pension liability for actuarial gain (loss)                 0 0 0
Comprehensive income (loss)                 $ (227,063) $ (84,660) $ 31,109