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Segments and Geographic Information - Summary of Net Sales and Operating Income, Depreciation and Amortization by Reportable Segment (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
Dec. 31, 2014
|
|
| Segment Reporting Information [Line Items] | |||
| Adjustment to the estimated fair value of contingent consideration | $ 5.4 | ||
| Wireless [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Transaction and integration costs | 6.0 | 0.6 | |
| Enterprise [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Transaction and integration costs | 3.0 | 0.2 | |
| Adjustment to the estimated fair value of contingent consideration | 5.4 | ||
| Broadband [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Transaction and integration costs | $ 2.4 | $ 0.1 | |