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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
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |
Goodwill impairment | $ 9,700 | [1] |  |  |  |
Gain (loss) on disposition | $ 2,205 | [2] | $ 270,630 | [2] | $ 114,702 | [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.

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