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Restructuring Costs - Summary of Company's Net Pretax Restructuring Charges (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring costs, net | $ 1,871 | $ 1,980 |
| Wireless [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring costs, net | 1,761 | 1,238 |
| Enterprise [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring costs, net | 37 | 214 |
| Broadband [Member] | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring costs, net | $ 73 | $ 528 |