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Acquisitions - Additional Information (Detail) (Paulin [Member], USD $)
In Thousands, unless otherwise specified
1 Months Ended 6 Months Ended 12 Months Ended
Feb. 19, 2013
Jun. 30, 2013
Facility
Dec. 31, 2012
Paulin [Member]
     
Business Acquisition [Line Items]      
Aggregate purchase price cash paid $ 103,416    
Revenues     $ 145,700
Number of manufacturing facilities   4