DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES Notional Amounts (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Foreign currency exchange contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 0	$ 1,950
Foreign currency option contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	0	4,000
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	180,858	183,851
Fuel hedge contracts [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount (in barrels)	1,000	38,000
Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	24,810	32,300
Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Notional Amount	$ 70,500	$ 38,000