Business Combinations - Additional Information (Detail) (USD $)	3 Months Ended	1 Months Ended
	Mar. 28, 2015	Feb. 28, 2015	Mar. 28, 2015
Business Acquisition [Line Items]
Business acquisition, cash	$ 12,011,000
Maximum measurement period after the acquisition date	1 year
Intangible assets acquired, weighted-average amortization period	8 years
Business acquisition, acquisition and integration costs	200,000
ARAS
Business Acquisition [Line Items]
Business acquisition, cash		7,700,000
Business acquisition, contingent consideration		4,000,000
Earn out period for contingent consideration		2 years
Kubit GmbH
Business Acquisition [Line Items]
Business acquisition, cash			4,500,000
Business acquisition, contingent consideration			$ 3,300,000
Earn out period for contingent consideration			3 years