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Other Benefit Plans (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Aug. 31, 2013 | Aug. 31, 2012 | Aug. 31, 2011
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 6.60% |  |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 10.00% |  |
Discretionary Non-elective Contribution, Percentage | 5.00% |  |
Defined Contribution Pension [Member] |  |  |
Defined Contribution Plan, Cost Recognized | $ 2.7 | $ 2.6 | $ 2.3
Foreign Pension Plans, Defined Benefit [Member] |  |  |
Defined Contribution Plan, Cost Recognized | $ 1.3 | $ 1.1 | $ 1.0

X
- Definition The amount of the cost recognized during the period for defined contribution plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 132R -Paragraph 11 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition Discretionary Non-elective Contribution, Percentage + References No definition available. + Details
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Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration