SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 17,829		$ 20,283		$ 24,495
Charged to Cost and Expenses	11,266		7,880		9,962
Due to Currency Translation Adjustments	166		(677)		(336)
Other	(12,008)	[1]	(9,657)	[1]	(13,838)	[1]
Balance at End of Period	17,253		17,829		20,283
Deferred Tax Assets - Valuation Allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	99,617		29,469		22,744
Charged to Cost and Expenses	18,552		47,575	[2]	4,754
Due to Currency Translation Adjustments	3,449		(312)		(347)
Other	4,914		22,885	[3]	2,318
Balance at End of Period	$ 126,532		$ 99,617		$ 29,469

[1] Includes principally the utilization of previously reserved amounts.

[2] Includes principally a valuation allowance recorded to fully offset the U.K. operations' net deferred tax assets primarily related to U.K. pension liabilities.

[3] Includes principally a valuation allowance recorded on other comprehensive income (loss) activity related to U.K. pension.