Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended
	Oct. 01, 2015	Aug. 28, 2015	Mar. 31, 2016	Mar. 31, 2015
Business Acquisition [Line Items]
Net sales			$ 1,143,979	$ 825,400
BNS [Member]
Business Acquisition [Line Items]
Total consideration transferred, amount		$ 3,005,800
Cash paid for acquired assets and assumed liabilities		$ 2,942,100
Net sales			382,300
Business combination separately recognized transactions liabilities recognized			11,600
Additional pre-tax expense, provisional net measurement adjustment			500
Airvana LP [Member]
Business Acquisition [Line Items]
Total consideration transferred, amount	$ 44,100
Cash paid for acquired assets and assumed liabilities	43,500
Net sales			$ 2,700
Business combination separately recognized transactions liabilities recognized	$ 1,000
BNS Delayed Close [Member] | Sales Revenue, Net [Member] | Business Unit Concentration Risk [Member]
Business Acquisition [Line Items]
Concentration risk percentage			2.00%
BNS Delayed Close [Member] | Maximum [Member] | Assets, Total [Member] | Business Unit Concentration Risk [Member]
Business Acquisition [Line Items]
Concentration risk percentage			1.00%