Business Combinations - Additional Information (Detail) - M/A-COM Automotive Solutions Business - USD ($)		1 Months Ended	9 Months Ended
	Aug. 17, 2015	Sep. 30, 2015	Sep. 30, 2015
Business Acquisition [Line Items]
Payments to acquire business, cash paid	$ 98,900,000
Additional cash payment to acquire business based on achievement of revenue based earn-out targets	30,000,000
Deferred purchase consideration	$ 14,600,000
Consultant service period	2 years
Business combination, net sales		$ 10,600,000
Business combination, operating income		300,000
Inventory fair value step-up adjustments		1,700,000
Business combination, acquired account receivables net	$ 11,500,000
Business combination, acquired account receivables gross	12,200,000
Business combination, acquired account receivables not expected to be collected	700,000
Earn-out	25,000,000
Estimated undiscounted outcomes minimum	0
Goodwill expected to be fully deductible for tax purposes	$ 84,900,000
Customer Contract
Business Acquisition [Line Items]
Business combination, intangible assets		36,900,000	$ 36,900,000
Business combination, intangible assets			4 years
Technology And Intellectual Property
Business Acquisition [Line Items]
Business combination, intangible assets		$ 6,900,000	$ 6,900,000
Business combination, intangible assets			7 years 6 months