DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES Balance Sheet Location (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	$ (7,573)	[1]
Fair value, derivative asset	2,260	[1]
Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(3,409)	[1]
Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	2,056	[1]
Other non-current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(4,164)	[1]
Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	204	[1]
Foreign currency exchange contracts [Member] | Not Designated as Hedging Instrument [Member] | Prepaid and other current assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	204	[1]
Foreign currency option contracts [Member] | Not Designated as Hedging Instrument [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(56)	[1]
Foreign currency option contracts [Member] | Not Designated as Hedging Instrument [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	200	[1]
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(2,949)	[1]
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member] | Other non-current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(4,164)	[1]
Fuel contracts [Member] | Not Designated as Hedging Instrument [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(109)	[1]
Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Designated as Hedging Instrument [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(9)	[1]
Cash Flow Hedging [Member] | Foreign currency exchange contracts [Member] | Designated as Hedging Instrument [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	1,101	[1]
Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Designated as Hedging Instrument [Member] | Other current liabilities [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative liability	(286)	[1]
Cash Flow Hedging [Member] | Foreign currency option contracts [Member] | Designated as Hedging Instrument [Member] | Other assets [Member]
Derivatives, Fair Value [Line Items]
Fair value, derivative asset	$ 755	[1]

[1] See Note 10 — Fair Value Measurements for further information on the fair value of our derivatives including their classification within the fair value hierarchy.