Restructuring and Cost Reduction Programs - Summary of Accruals Related to Restructuring and Cost Reduction Programs (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Restructuring Cost and Reserve [Line Items]
Beginning Balance			$ 10,232
Restructuring charges	13,450	4,728	22,904	5,039
Cash payments			(16,947)
Non-cash items			(1,183)
Ending Balance	15,006		15,006
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			4,093
Restructuring charges			19,635
Cash payments			(9,968)
Non-cash items			(1,066)
Ending Balance	12,694		12,694
Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance			6,139
Restructuring charges			3,269
Cash payments			(6,979)
Non-cash items			(117)
Ending Balance	2,312		2,312
Asset Impairment [Member]
Restructuring Cost and Reserve [Line Items]
Beginning Balance
Restructuring charges
Cash payments
Non-cash items
Ending Balance