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Restructuring Accrual Activity recorded on Condensed Consolidated Balance Sheets (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 12,805	$ 3,994
Acquired	17,062
Costs incurred	61,560	11,500
Cash payments and other	(34,868)	(2,689)
Ending balance	$ 56,559	$ 12,805

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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