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Activity Related to Liability for Special Charges (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Special Charges [Line Items]  
Balance at December 31, 2012 $ 15,213
Additions 427
Payments (1,637)
Foreign currency translation adjustment and other (3)
Balance at March 31, 2013 14,000
Employee Termination Costs
 
Special Charges [Line Items]  
Balance at December 31, 2012 6,696
Additions (100)
Payments (941)
Foreign currency translation adjustment and other (3)
Balance at March 31, 2013 5,652
Lease Termination Costs
 
Special Charges [Line Items]  
Balance at December 31, 2012 8,517
Additions 527
Payments (696)
Balance at March 31, 2013 $ 8,348