Consolidated Statements of Changes in Redeemable Noncontrolling Interest and Partners' Interest /Stockholders' Equity - USD ($) $ in Thousands |
Total |
Common Class A [Member] |
Common Class B [Member] |
Class A Units [Member] |
Class B Units [Member] |
Class C Units [Member] |
Class D Units [Member] |
Summit Holdings [Member] |
Partners Interest [Member]
Summit Holdings [Member]
|
Noncontrolling Interest [Member] |
Noncontrolling Interest [Member]
Summit Materials, LLC [Member]
|
Accumulated Deficit [Member] |
Accumulated Other Comprehensive Loss (AOCI) [Member] |
Additional Paid-in Capital [Member] |
Additional Paid-in Capital [Member]
Common Class A [Member]
|
Additional Paid-in Capital [Member]
Common Class B [Member]
|
Redeemable Noncontrolling Interest [Member] |
Member Units [Member]
Class A Units [Member]
|
Member Units [Member]
Class B Units [Member]
|
Member Units [Member]
Class C Units [Member]
|
Member Units [Member]
Class D Units [Member]
|
Parent Including Portion Attributable to Non Redeemable Noncontrolling Interest [Member] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beginning Balance at Dec. 31, 2011 | $ 1,174 | $ (40,932) | $ (6,577) | $ 3,463 | $ 463,510 | $ 19,000 | $ 439,638 | |||||||||||||||
| Beginning Balance at Dec. 31, 2011 | $ 21,300 | |||||||||||||||||||||
| Beginning Balance (Units) at Dec. 31, 2011 | 31,305 | 1,220 | 372 | 8,495 | ||||||||||||||||||
| Accretion/ redemption value adjustment | 657 | |||||||||||||||||||||
| Net (loss) income | $ (52,496) | 1,988 | ||||||||||||||||||||
| Accretion/ redemption value adjustment | (657) | (657) | ||||||||||||||||||||
| Issuance (redemption) of Class C and Class D Interests | (9) | 70 | ||||||||||||||||||||
| Net (loss) income | (50,577) | (69) | (52,496) | (52,565) | ||||||||||||||||||
| Other comprehensive income | (3,648) | (2,553) | (1,095) | (2,553) | ||||||||||||||||||
| Repurchase of partners' interest | (156) | $ (500) | (656) | |||||||||||||||||||
| Repurchase of partners' interest (Units) | (44) | |||||||||||||||||||||
| Share-based compensation | 2,533 | 2,533 | 2,533 | |||||||||||||||||||
| Payment of Dividends | (46) | (46) | ||||||||||||||||||||
| Ending Balance at Dec. 29, 2012 | 1,059 | (94,085) | (9,130) | 5,840 | $ 463,010 | $ 19,000 | 385,694 | |||||||||||||||
| Ending Balance at Dec. 29, 2012 | 22,850 | |||||||||||||||||||||
| Ending Balance (Units) at Dec. 29, 2012 | 31,261 | 1,220 | 363 | 8,565 | ||||||||||||||||||
| Accretion/ redemption value adjustment | (2,365) | |||||||||||||||||||||
| Net (loss) income | (106,791) | 2,960 | ||||||||||||||||||||
| Accretion/ redemption value adjustment | 2,365 | 2,365 | ||||||||||||||||||||
| Issuance (redemption) of Class C and Class D Interests | 1,324 | |||||||||||||||||||||
| Net (loss) income | (103,679) | 152 | (106,791) | (106,639) | ||||||||||||||||||
| Other comprehensive income | 4,407 | 3,085 | 1,322 | 3,085 | ||||||||||||||||||
| Repurchase of partners' interest | (3) | (3) | ||||||||||||||||||||
| Share-based compensation | 2,315 | 2,315 | 2,315 | |||||||||||||||||||
| Ending Balance at Dec. 28, 2013 | 286,817 | $ 285,606 | 1,211 | $ 1,211 | (198,511) | (6,045) | 8,152 | $ 463,010 | $ 19,000 | 286,817 | ||||||||||||
| Ending Balance at Dec. 28, 2013 | 24,767 | 24,767 | ||||||||||||||||||||
| Ending Balance (Units) at Dec. 28, 2013 | 31,261 | 1,220 | 363 | 9,889 | 31,261 | 1,220 | 363 | 9,889 | ||||||||||||||
| Contributed capital | 24,350 | 24,350 | ||||||||||||||||||||
| Accretion/ redemption value adjustment | (2,571) | (2,571) | 2,571 | |||||||||||||||||||
| Net (loss) income | $ (50,553) | |||||||||||||||||||||
| Net (loss) income | (53,068) | (50,553) | (69) | (2,446) | ||||||||||||||||||
| Other comprehensive income | 818 | 573 | 245 | |||||||||||||||||||
| Share-based compensation | 566 | 566 | ||||||||||||||||||||
| Ending Balance at Mar. 29, 2014 | 259,113 | 257,971 | 1,142 | |||||||||||||||||||
| Ending Balance at Mar. 29, 2014 | 25,137 | |||||||||||||||||||||
| Beginning Balance at Dec. 28, 2013 | 286,817 | 285,606 | 1,211 | 1,211 | (198,511) | (6,045) | 8,152 | $ 463,010 | $ 19,000 | 286,817 | ||||||||||||
| Beginning Balance at Dec. 28, 2013 | 24,767 | 24,767 | ||||||||||||||||||||
| Beginning Balance (Units) at Dec. 28, 2013 | 31,261 | 1,220 | 363 | 9,889 | 31,261 | 1,220 | 363 | 9,889 | ||||||||||||||
| Contributed capital | $ 3,600 | $ 20,751 | 24,351 | |||||||||||||||||||
| Contributed capital (Unit) | 241 | 1,387 | ||||||||||||||||||||
| Accretion/ redemption value adjustment | 8,145 | |||||||||||||||||||||
| Net (loss) income | (8,777) | 2,408 | ||||||||||||||||||||
| Accretion/ redemption value adjustment | (8,145) | (8,145) | ||||||||||||||||||||
| Issuance (redemption) of Class C and Class D Interests | 18 | (411) | ||||||||||||||||||||
| Net (loss) income | (6,282) | 87 | (8,777) | (8,690) | ||||||||||||||||||
| Other comprehensive income | (11,081) | (9,501) | (1,580) | (9,501) | ||||||||||||||||||
| Repurchase of partners' interest | (88) | (88) | ||||||||||||||||||||
| Share-based compensation | 2,235 | (1,983) | 4,222 | 2,239 | ||||||||||||||||||
| Ending Balance at Dec. 27, 2014 | 286,983 | 285,685 | 1,298 | |||||||||||||||||||
| Ending Balance at Dec. 27, 2014 | 286,983 | 1,298 | (217,416) | (15,546) | 12,286 | $ 466,610 | $ 39,751 | 286,983 | ||||||||||||||
| Ending Balance at Dec. 27, 2014 | 33,740 | 33,740 | ||||||||||||||||||||
| Ending Balance (Units) at Dec. 27, 2014 | 31,502 | 2,607 | 381 | 9,478 | 31,502 | 2,607 | 381 | 9,478 | ||||||||||||||
| Accretion/ redemption value adjustment | (32,252) | (32,252) | 32,252 | |||||||||||||||||||
| Net (loss) income | (41,415) | (41,338) | (77) | (1,890) | ||||||||||||||||||
| Other comprehensive income | (5,249) | (5,249) | ||||||||||||||||||||
| Share-based compensation | 424 | 424 | ||||||||||||||||||||
| Ending Balance at Mar. 11, 2015 | 208,491 | 207,270 | 1,221 | |||||||||||||||||||
| Ending Balance at Mar. 11, 2015 | 64,102 | |||||||||||||||||||||
| Beginning Balance at Dec. 27, 2014 | 286,983 | 1,298 | (217,416) | (15,546) | 12,286 | $ 466,610 | $ 39,751 | $ 286,983 | ||||||||||||||
| Beginning Balance at Dec. 27, 2014 | 33,740 | 33,740 | ||||||||||||||||||||
| Beginning Balance at Dec. 27, 2014 | 286,983 | 285,685 | 1,298 | |||||||||||||||||||
| Beginning Balance (Units) at Dec. 27, 2014 | 31,502 | 2,607 | 381 | 9,478 | 31,502 | 2,607 | 381 | 9,478 | ||||||||||||||
| Net (loss) income | (10,151) | $ (67,704) | ||||||||||||||||||||
| Issuance (redemption) of Class C and Class D Interests | 25,555,555 | |||||||||||||||||||||
| Net (loss) income | (79,837) | |||||||||||||||||||||
| Other comprehensive income | (6,299) | |||||||||||||||||||||
| Share-based compensation | 15,217 | |||||||||||||||||||||
| Ending Balance at Mar. 28, 2015 | 628,271 | $ 266 | $ 690 | 180,904 | 1,206 | (10,151) | (1,050) | 456,406 | ||||||||||||||
| Ending Balance, Shares at Mar. 28, 2015 | 26,584,738 | 69,007,297 | ||||||||||||||||||||
| Recording of noncontrolling interest upon reorganization | (207,270) | 207,270 | ||||||||||||||||||||
| Beginning Balance at Mar. 11, 2015 | 208,491 | $ 207,270 | 1,221 | |||||||||||||||||||
| Issuance of common stock, Values | 424,044 | $ 256 | $ 690 | $ 423,788 | $ (690) | |||||||||||||||||
| Issuance (redemption) of Class C and Class D Interests | 25,555,555 | 69,007,397 | ||||||||||||||||||||
| Net (loss) income | (36,532) | (26,366) | (15) | (10,151) | ||||||||||||||||||
| Other comprehensive income | (1,050) | (1,050) | ||||||||||||||||||||
| Repurchase of partners' interest (Units) | (100) | |||||||||||||||||||||
| Purchase of redeemable noncontrolling interest | 18,525 | $ 10 | 18,515 | $ (64,102) | ||||||||||||||||||
| Purchase of redeemable noncontrolling interest, Shares | 1,029,183 | |||||||||||||||||||||
| Share-based compensation | 14,793 | 14,793 | ||||||||||||||||||||
| Ending Balance at Mar. 28, 2015 | $ 628,271 | $ 266 | $ 690 | $ 180,904 | $ 1,206 | $ (10,151) | $ (1,050) | $ 456,406 | ||||||||||||||
| Ending Balance, Shares at Mar. 28, 2015 | 26,584,738 | 69,007,297 |