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Subsequent Events (Details) (USD $) In Millions, unless otherwise specified |  |  | 3 Months Ended |  | 0 Months Ended
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Oct. 11, 2011 Multi-Currency Revolving Credit Facility [Member] Refinancing Of Revolving Credit Facility [Member] | Oct. 11, 2011 Multi-Currency Revolving Credit Facility, Accordion Feature [Member] Refinancing Of Revolving Credit Facility [Member] | Oct. 11, 2011 Multi-Currency Revolving Credit Facility, Combined With Accordion Feature [Member] Refinancing Of Revolving Credit Facility [Member] | Oct. 11, 2011 Refinancing Of Revolving Credit Facility [Member] Letter of Credit [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Minimum [Member] Multi-Currency Revolving Credit Facility [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Maximum [Member] Multi-Currency Revolving Credit Facility [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Multi-Currency Revolving Credit Facility [Member] | Sep. 30, 2011 Multi-Currency Revolving Credit Facility [Member] | Sep. 30, 2011 Multi-Currency Revolving Credit Facility, Accordion Feature [Member] | Sep. 30, 2011 Multi-Currency Revolving Credit Facility, Combined With Accordion Feature [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Minimum [Member] Loans Denominated In U.S. Dollars [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Maximum [Member] Loans Denominated In U.S. Dollars [Member] | Sep. 30, 2011 Minimum [Member] Loans Denominated In U.S. Dollars [Member] Alternate Base Rate-Based Loans [Member] | Sep. 30, 2011 Maximum [Member] Loans Denominated In U.S. Dollars [Member] Alternate Base Rate-Based Loans [Member] | Sep. 30, 2011 Minimum [Member] Loans Denominated In Foreign Currencies [Member] | Sep. 30, 2011 Maximum [Member] Loans Denominated In Foreign Currencies [Member] | Sep. 30, 2011 Minimum [Member] Swingline Loans [Member] | Sep. 30, 2011 Maximum [Member] Swingline Loans [Member] | Sep. 30, 2011 LIBOR-Based Loans [Member] Unsecured Notes Payable To Bank [Member] | Oct. 11, 2011 Unsecured Notes Payable To Bank [Member]
Revolving credit facility | $ 300.0 | $ 150.0 | $ 450.0 | $ 50.0 |  |  |  | $ 250.0 | $ 50.0 | $ 300.0 |  |  |  |  |  |  |  |  |  |
Maturity of credit facility |  |  |  |  |  |  |  | September 28, 2012 |  |  |  |  |  |  |  |  |  |  |  |
Percentage spread points on variable rate debt instrument |  |  |  |  | 0.50% | 1.25% | 0.50% |  |  |  | 1.00% | 2.25% | 0.00% | 1.25% | 1.00% | 2.25% | 1.00% | 2.25% | 0.65% |
Repayments of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 25

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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + Details
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- Definition Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + Details
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