Subsequent Event - Additional Information (Detail) - Qelp B.V. [Member]		6 Months Ended
	Jul. 02, 2015 USD ($) Installments	Jun. 30, 2015	Jul. 02, 2015 EUR (€)
Subsequent Event [Line Items]
Contingent consideration description		The contingent purchase price, which in total will not exceed EUR 10.0 million (U.S. Dollar equivalent of $11.1 million as of July 2, 2015), is based on achieving targets tied to revenues and EBITDA for the years ended December 31, 2016, 2017 and 2018, as defined by the Purchase Agreement.
Subsequent Event [Member]
Subsequent Event [Line Items]
Consideration by cash	$ 9,900,000
Funds placed in escrow as security for indemnifications	900,000
Maximum amount of contingent consideration	$ 11,100,000		€ 10,000,000
Number of installments for payment of contingent consideration | Installments	3