Debt (Details) (USD $)			1 Months Ended		3 Months Ended		3 Months Ended			3 Months Ended			3 Months Ended		3 Months Ended					3 Months Ended
	Mar. 31, 2014	Sep. 30, 2013	Mar. 31, 2014 Receivables Securitization Facility [Member]	Dec. 31, 2013 Receivables Securitization Facility [Member]	Mar. 31, 2014 Receivables Securitization Facility [Member]	Sep. 30, 2013 Receivables Securitization Facility [Member]	Mar. 31, 2014 Receivables Securitization Facility [Member] London Interbank Offered Rate LIBOR [Member]	Mar. 31, 2014 Multi Currency Revolving Credit Facility [Member]	Sep. 30, 2013 Multi Currency Revolving Credit Facility [Member]	Mar. 31, 2014 Multi Currency Revolving Credit Facility [Member] LIBOR / EURIBOR / Bankers Acceptance Stamping Fee [Member]	Mar. 31, 2014 Senior Notes Due 2015 [Member]	Sep. 30, 2013 Senior Notes Due 2015 [Member]	Mar. 31, 2014 Senior Notes Due 2019 [Member]	Sep. 30, 2013 Senior Notes Due 2019 [Member]	Mar. 31, 2014 Senior Notes Due 2021 [Member]	Sep. 30, 2013 Senior Notes Due 2021 [Member]	Apr. 30, 2014 Revolving Credit Note [Member]	Mar. 31, 2014 Revolving Credit Note [Member]	Sep. 30, 2013 Revolving Credit Note [Member]	Mar. 31, 2014 Commercial Paper [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount											$ 500,000,000		$ 400,000,000		$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage										0.90%	5.875%		4.875%		3.50%
Debt Instrument, Maturity Date, Description					June 2016			July 2018			2015		2019		2021					2018
Short-term debt			0		0	0		0	0									0	0
Long Term Debt	1,396,948,000	1,396,606,000									499,526,000	499,377,000	397,960,000	397,803,000	499,462,000	499,426,000
Debt and Capital Lease Obligations	1,396,948,000	1,396,606,000
Line of Credit Facility, Maximum Borrowing Capacity			950,000,000		950,000,000			1,400,000,000									75,000,000	45,000,000		1,400,000,000
Line of Credit Facility, Interest Rate Description					prevailing market rates for short-term commercial paper or LIBOR plus a program fee of 75 basis points			68 basis points to 130 basis points over LIBOR / EURIBOR / Bankers Acceptance Stamping Fee
Debt Instrument Fee Rate Effective Percentage Rate Range								7 basis points to 20 basis points, annually, of the total commitment
Line of Credit Facility, Covenant Terms					The Receivables Securitization Facility contains similar covenants to the Multi-Currency Revolving Credit Facility, with which the Company was compliant as of March 31, 2014			The Multi-Currency Revolving Credit Facility contains covenants, including compliance with a financial leverage ratio test, as well as others that impose limitations on, among other things, indebtedness of excluded subsidiaries and asset sales, with which the Company was compliant as of March 31, 2014.
Debt Instrument Ability to Increase Commitment Subject to Lender Approval					the commitment on the Receivables Securitization Facility may be increased by up to $250 million, subject to lender approval, for seasonal needs during the December and March quarters
Interest Rate Option on Canadian Borrowings								the Canadian prime rate or the CDOR rate
Short-term Debt, Terms																				The Company has a commercial paper program whereby it may from time to time issue short-term promissory notes in an aggregate amount of up to $1.4 billion at any one time. Amounts available under the program may be borrowed, repaid, and re-borrowed from time to time. The maturities on the notes will vary, but may not exceed 365 days from the date of issuance. The notes will bear interest rates, if interest bearing, or will be sold at a discount from their face amounts. The commercial paper program does not increase the Company's borrowing capacity as it is fully backed by the Company's Multi-Currency Revolving Credit Facility.
Debt Instrument Capacity Increase Due to Execution of Accordion Feature				250,000,000
Line of Credit Facility Unused Capacity Commitment Fee Percentage					0.40%
Line of Credit Facility Commitment Fee Percentage							0.75%	0.10%
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Minimum										0.68%
Debt Instrument, Interest Rate, Effective Percentage Rate Range, Maximum										1.30%
Debt Instrument Facility Fee Rate Effective Percentage Rate Range Minimum								0.07%
Debt Instrument Facility Fee Rate Effective Percentage Rate Range Maximum								0.20%
Increase in Debt Commitment During Period under Accordion Feature				250,000,000
Decrease in Debt Commitment During Period under Accordion Feature			$ 250,000,000