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Schedule II Valuation and Qualifying Accounts - Allowance for Doubtful Accounts (Detail) - Allowance for Doubtful Accounts - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of period $ 48,401 $ 55,917 $ 63,098
Charges to Costs, Expenses and Other 14,167 20,242 11,715
Write-off of Accounts Receivable 20,368 28,492 14,082
Other [1] (2,502) 734 (4,814)
Balance at End of period $ 39,698 $ 48,401 $ 55,917
[1] Primarily foreign currency adjustments and acquisition and/or divestiture activity.