Inventories - Major Classes of Inventories (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 29, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 97,039	$ 85,379
Work-in-process	39,163	34,671
Finished goods	123,141	107,091
Perishable tooling and supplies	1,885	2,156
Gross inventories	261,228	229,297
Obsolescence and other reserves	(32,785)	(21,317)
Net inventories	$ 228,443	$ 207,980