FAIR VALUE MEASUREMENTS Fair Values Measured on Recurring Basis (Details) (USD $)	Sep. 30, 2014		Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted deposits from LKE sales	$ 21,600,000		$ 68,900,000
Other assets [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted deposits from LKE sales	22,000,000		69,000,000
Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	182,831,000		199,644,000
Restricted cash	21,626,000	[1]	68,944,000	[1]
Current maturities of long-term debt	(130,486,000)		(112,500,000)
Long-term debt	(605,162,000)		(1,461,724,000)
Carrying Value [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	(5,519,000)	[2]	(4,659,000)	[2]
Carrying Value [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fuel contracts	(3,000)	[2]	160,000	[2]
Carrying Value [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	(877,000)	[2]	940,000	[2]
Carrying Value [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	(1,496,000)	[2]	467,000	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	182,831,000		199,644,000
Restricted cash	21,626,000	[1]	68,944,000	[1]
Current maturities of long-term debt	0		0
Long-term debt	0		0
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	0	[2]	0	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fuel contracts	0	[2]	0	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	0	[2]	0	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	0	[2]	0	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	0		0
Restricted cash	0	[1]	0	[1]
Current maturities of long-term debt	(173,531,000)		(119,614,000)
Long-term debt	(607,139,000)		(1,489,810,000)
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swaps	(5,519,000)	[2]	(4,659,000)	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Commodity Contract [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fuel contracts	(3,000)	[2]	160,000	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency exchange contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	(877,000)	[2]	940,000	[2]
Estimate of Fair Value, Fair Value Disclosure [Member] | Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign currency option contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency contracts	$ (1,496,000)	[2]	$ 467,000	[2]

[1] Restricted cash of $22 million and $69 million, as of September 30, 2014 and December 31, 2013, respectively, is recorded in “Other Assets” and represents the proceeds from LKE sales deposited with a third-party intermediary.

[2] See Note 10 — Derivative Financial Instruments and Hedging Activities for information regarding the Balance Sheet classification of the Company’s derivative financial instruments.