Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Allowance for doubtful accounts receivable
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	$ 24,852	$ 22,627	$ 21,569
Charged to Expenses	7,467	7,133	6,673
Deductions	(4,313)	(3,845)	(4,370)
Translation Adjustments	(745)	(1,063)	(1,245)
Balance at End of Period	27,261	24,852	22,627
Deferred tax valuation allowance
Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at Beginning of Period	39,310	36,334	30,983
Charged to Expenses	7,053	6,558	7,745
Deductions	(8,135)	(2,774)	(2,308)
Translation Adjustments	(1,184)	(808)	(86)
Balance at End of Period	$ 37,044	$ 39,310	$ 36,334