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Schedule of Operating Results of Operations Treated as Discontinued Operations (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]    
Goodwill impairment $ 9,700 [1]  
Gain on disposition $ 2,205 [2] $ 270,630 [2]
[1] During 2012, the Company recognized a non-cash goodwill impairment charge of $9.7 million to adjust the carrying value of the orthopedic business to its estimated fair value
[2] The $2.2 million pre-tax gain on disposition during 2012 primarily reflects the gain recognized on the working capital adjustment related to the sale of the cargo systems and cargo container businesses.