LONG-TERM OBLIGATIONS (Details)	3 Months Ended				9 Months Ended					0 Months Ended			0 Months Ended			9 Months Ended							3 Months Ended			3 Months Ended		0 Months Ended			1 Months Ended	9 Months Ended
	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Sep. 30, 2013 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)	Aug. 13, 2014	Dec. 31, 2013 USD ($)	Dec. 31, 2013 2011 Credit Agreement [Member] USD ($)	May 16, 2013 Term Loan [Member] USD ($)	Sep. 30, 2014 Term Loan [Member] USD ($) factor	Aug. 13, 2014 Term Loan [Member] USD ($)	May 16, 2013 Term Loan Euro [Member] EUR (€)	Sep. 30, 2014 Term Loan Euro [Member] USD ($) factor	Aug. 13, 2014 Term Loan Euro [Member] EUR (€)	Sep. 30, 2014 Credit Agreement 2014 [Member] USD ($)	Aug. 13, 2014 Credit Agreement 2014 [Member] USD ($)	Sep. 30, 2014 2014 Credit Agreement Additional LC Arrangements [Member] USD ($)	Dec. 31, 2013 2011 Credit Agreement - revolving credit facility [Member] USD ($)	Dec. 31, 2013 2011 Credit Agreement Additional Arrangements [Member] USD ($)	Sep. 30, 2014 Bilateral Arrangements [Member] USD ($)	Dec. 31, 2013 Bilateral Arrangements [Member] USD ($)	Sep. 30, 2014 6.5% Senior Notes Due April 1, 2020 [Member] USD ($) factor	Mar. 27, 2012 6.5% Senior Notes Due April 1, 2020 [Member]	Mar. 26, 2012 6.5% Senior Notes Due April 1, 2020 [Member] USD ($)	Sep. 30, 2014 Senior Notes Due May 15, 2021 Six Percent [Member] USD ($) factor	Nov. 26, 2012 Senior Notes Due May 15, 2021 Six Percent [Member] USD ($)	Jun. 19, 2014 4% Convertible Senior Subordinated Notes due June 1, 2015 [Member]	Dec. 20, 2013 4% Convertible Senior Subordinated Notes due June 1, 2015 [Member]	Jun. 03, 2009 4% Convertible Senior Subordinated Notes due June 1, 2015 [Member] USD ($)	Aug. 31, 2012 4% Convertible Senior Subordinated Notes due June 1, 2015 [Member]	Sep. 30, 2014 4% Convertible Senior Subordinated Notes due June 1, 2015 [Member] USD ($) factor	Nov. 13, 2007 8% Senior Subordinated Notes due November 15, 2017 [Member] USD ($)	Sep. 30, 2014 Revolving Credit Facility [Member]	Aug. 13, 2014 Revolving Credit Facility [Member] USD ($)	Dec. 31, 2013 Revolving Credit Facility [Member]
Debt Instrument
Long-term Line of Credit												$ 230,000,000			€ 200,000,000	$ 50,000,000			$ 117,700,000
Springing Covenant Threshold							30.00%
Revolving line of credit available borrowing capacity																	600,000,000																		600,000,000
Debt Instrument Covenant Minimum Interest Coverage Ratio																2.5
Debt Instrument Covenant Senior Secured Debt Leverage Ratio Maximum																2.75
Repayments of Debt					1,519,900,000	503,500,000				110,000,000			83,500,000
Gains (Losses) on Extinguishment of Debt	(2,600,000)			0	(2,600,000)	(5,200,000)
Long-term Debt									495,300,000		228,100,000			251,600,000		479,600,000							300,000,000		300,000,000	850,000,000	850,000,000			172,500,000		122,900,000	800,000,000
Debt, Weighted Average Interest Rate									3.66%							3.76%																		2.15%		5.30%
Maximum amount of letters of credit available under the Credit Agreement																	400,000,000
Letters of Credit Outstanding, Amount	302,900,000				302,900,000			340,400,000	54,200,000							0		21,900,000		3,100,000	281,000,000	283,100,000
Letters of Credit Maximum Available under Additional Facilities																	300,000,000
Percentage of capital stock of foreign subsidiary pledged as collateral for borrowings (as a percent)																	65.00%
Interest rate of debt securities (as a percent)																								6.50%			6.00%			4.00%			8.00%
Initial conversion rate of shares per $1000 principal amount of convertible notes (in shares)																												61.8566	61.6206	61.5385
Debt Instrument Principal Amount Denomination for Conversion Into Common Stock																																1,000
Conversion price of convertible notes (in dollars per share)																														$ 16.25
Carrying value of the equity component of convertible debt																														54,300,000
Deferred tax liability on equity component of debt																														19,400,000
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed																							103.25%			103.00%					25.00%
Interest expense on convertible debt																																10,000,000
Long-Term Debt Maturity Value																																128,800,000
Guarantees, maximum terms					5 years
Common Stock, Dividends, Per Share, Cash Paid	$ 0.05	$ 0.05	$ 0.05
Debt Instrument Market Quote											0.99750			0.99875									1.04750			1.03500						1.97545
Long-term Debt, Fair Value											$ 228,000,000			$ 251,000,000									$ 314,000,000			$ 880,000,000						$ 243,000,000