Other Intangible Assets - Summary of Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 29, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2,079	$ 2,572
Gross Carrying Amount	74,393	74,393
Accumulated Amortization	(36,380)	(34,301)
Net Amount	38,013	40,092
Customer lists / relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	51,804	51,804
Accumulated Amortization	(22,941)	(21,490)
Net Amount	28,863	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	0	0
Other intangibles [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	12,270	12,270
Accumulated Amortization	(3,120)	(2,492)
Net Amount	$ 9,150	$ 9,778