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Schedule of Restructuring Accruals Expenses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Restructuring Reserve [Roll Forward]
Beginning Balance			$ 10,887
Restructuring expenses	0	7,085	0	14,604
Payments/utilization			(10,279)
Ending Balance	$ 608		$ 608

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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