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
Allowance for doubtful accounts
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	$ 12,485	$ 12,328	$ 6,692
Charged to Costs and Expenses	5,765	838	1,467
Charged to Other Accounts	10,324	(583)	4,669
Deductions	(898)	(98)	(500)
Balance at End of Year	27,676	12,485	12,328
Allowance for inventory obsolescence
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	56,031	22,819	28,065
Charged to Costs and Expenses	62,518	22,619	4,051
Charged to Other Accounts	33,402	26,299	2,730
Deductions	(52,106)	(15,706)	(12,027)
Balance at End of Year	99,845	56,031	22,819
Deferred tax asset valuation allowance
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Year	124,515	128,742	186,399
Charged to Costs and Expenses	214,099	(2,227)	(35,062)
Charged to Other Accounts	138,959	(2,000)	41,517
Deductions	0	0	(64,112)
Balance at End of Year	$ 477,573	$ 124,515	$ 128,742