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Subsequent Event Subsequent Event (Details) (USD $) In Millions, unless otherwise specified | 0 Months Ended
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Feb. 10, 2015 | Jan. 30, 2015 | Jan. 07, 2015
Subsequent Events [Abstract] |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 5.5 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | $ 26.4 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired | $ 14.5 us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period | $ 5.0 us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod | $ 25.0 us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod | $ 15.0 us-gaap_BusinessAcquisitionRevenueReportedByAcquiredEntityForLastAnnualPeriod

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- Definition Total revenue reported by the acquired entity for its previous full fiscal year before the business acquisition. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
Name: | us-gaap_SubsequentEventsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration