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Special Charges for Restructuring Activities - Changes in Restructuring Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Restructuring And Related Activities [Abstract]    
Balance at beginning of period $ 10,054  
Special charges for restructuring activities 17,743 20,655
Payments (11,327) (10,705)
Translation and other (7)  
Balance at end of period $ 16,463 $ 9,950