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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Property Plant And Equipment Useful Life And Values [Abstract]
Land	$ 9,225	$ 9,188
Buildings	68,569	68,831
Machinery and equipment	116,475	115,032
Furniture and fixtures, office equipment and software	59,068	51,669
Leasehold improvements	20,590	18,003
Construction in progress	3,702	9,227
Property, plant and equipment, gross	277,629	271,950
Less: accumulated depreciation	200,093	191,434
Property, plant and equipment, net	$ 77,536	$ 80,516

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation of building structures held for productive use including addition, improvement, or renovation to the structure, including, but not limited to, interior masonry, interior flooring, electrical, and plumbing.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation of equipment commonly used in offices and stores that have no permanent connection to the structure of a building or utilities. Examples include, but are not limited to, desks, chairs, tables, and bookcases.

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