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Financing - Additional Information (Detail) (USD $)
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3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
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Mar. 31, 2014
|
Dec. 31, 2014
|
| Debt Instrument [Line Items] |
|
|
|
| Repayment of senior secured loan |
$ 2,199,000 |
$ 17,558,000 |
|
| Long-term debt proceeds |
|
15,000,000 |
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| Total assets |
4,958,440,000 |
|
4,955,885,000 |
| Total liabilities |
3,619,086,000 |
|
3,648,266,000 |
| Net sales |
825,400,000 |
935,036,000 |
|
| Interest expense |
36,329,000 |
42,280,000 |
|
| Weighted average effective interest rate |
5.38% |
|
5.38% |
| CommScope Holding Company, Inc. [Member] |
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| Debt Instrument [Line Items] |
|
|
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| Total debt |
2,156,100,000 |
|
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| Senior Payment In Kind Toggle Notes [Member] | CommScope Holding Company, Inc. [Member] |
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| Debt Instrument [Line Items] |
|
|
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| Interest expense |
9,500,000 |
9,500,000 |
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| Interest expense, Net of tax |
6,100,000 |
6,100,000 |
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| Senior Secured Term Loan [Member] |
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|
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| Debt Instrument [Line Items] |
|
|
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| Repayment of senior secured loan |
2,200,000 |
|
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| Senior Secured Revolving Credit Facility [Member] |
|
|
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| Debt Instrument [Line Items] |
|
|
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| Long-term debt proceeds |
0 |
|
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| Remaining available capacity under revolving credit facility |
283,900,000 |
|
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| 8.25% Senior Notes Due January 2019 [Member] | Non-Guarantor Subsidiaries [Member] | Assets, Total [Member] |
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| Debt Instrument [Line Items] |
|
|
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| Total assets |
1,092,000,000 |
|
1,089,000,000 |
| Concentration risk percentage |
22.00% |
|
22.00% |
| 8.25% Senior Notes Due January 2019 [Member] | Non-Guarantor Subsidiaries [Member] | Liabilities, Total [Member] |
|
|
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| Debt Instrument [Line Items] |
|
|
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| Concentration risk percentage |
7.00% |
|
8.00% |
| Total liabilities |
265,000,000 |
|
282,000,000 |
| 8.25% Senior Notes Due January 2019 [Member] | Non-Guarantor Subsidiaries [Member] | Sales Revenue, Net [Member] |
|
|
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| Debt Instrument [Line Items] |
|
|
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| Concentration risk percentage |
45.00% |
34.00% |
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| Net sales |
$ 375,000,000 |
$ 320,000,000 |
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| Minimum [Member] | Senior Payment In Kind Toggle Notes [Member] |
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|
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| Debt Instrument [Line Items] |
|
|
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| Interest rate |
6.625% |
|
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| Maximum [Member] | Senior Payment In Kind Toggle Notes [Member] |
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|
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| Debt Instrument [Line Items] |
|
|
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| Interest rate |
7.375% |
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