SCHEDULE II. VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2009
Allowance for Doubtful Accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 17,253		$ 17,829		$ 20,283
Charged to Cost and Expenses	10,175		11,266		7,880
Due to Currency Translation Adjustments	(191)		166		(677)
Other	(20,599)	[1]	(12,008)	[1]	(9,657)	[1]
Balance at End of Period	6,638		17,253		17,829
Deferred Tax Assets - Valuation Allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	126,532		99,617				29,469
Charged to Cost and Expenses	4,164		18,552	[2]	47,575
Due to Currency Translation Adjustments	(5,769)		3,449		(312)
Other	2,237		4,914	[3]	22,885
Balance at End of Period	$ 127,164		$ 126,532		$ 99,617		$ 29,469

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

[2] .

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