Major Classes of Property, Plant and Equipment, at Cost (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property Plant And Equipment [Line Items]
Land, buildings and leasehold improvements	$ 199,741	$ 201,155
Machinery and equipment	322,060	313,325
Computer equipment and software	102,527	70,618
Construction in progress	55,092	41,424
Property, plant and equipment, gross	679,420	626,522
Less: Accumulated depreciation	(353,520)	(328,577)
Property, plant and equipment, net	$ 325,900	$ 297,945	$ 251,912