Other Intangible Assets - Summary of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Sep. 28, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 3,125	$ 3,623
Gross Carrying Amount	74,393	74,393
Accumulated Amortization	(37,426)	(34,301)
Net Amount	36,967	40,092
Customer lists / relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	51,804	51,804
Accumulated Amortization	(23,492)	(21,490)
Net Amount	28,312	30,314
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,319	10,319
Accumulated Amortization	(10,319)	(10,319)
Net Amount
Other intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,270	12,270
Accumulated Amortization	(3,615)	(2,492)
Net Amount	$ 8,655	$ 9,778