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Business Acquisitions, Goodwill and Intangible Assets (Details 2) $ in Thousands | 9 Months Ended
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Jun. 30, 2015 USD ($)
Changes in the carrying value of goodwill by reporting segment |
Goodwill at the beginning of the period | $ 1,937,338
Acquired | 3,959,900
Post-Acquisition Adjustments | 19,200
Foreign Exchange Impact | 112,400
Goodwill at the end of the period | 5,803,966
Design and Consulting Services |
Changes in the carrying value of goodwill by reporting segment |
Goodwill at the beginning of the period | 1,479,200
Acquired | 1,805,100
Post-Acquisition Adjustments | 5,500
Foreign Exchange Impact | 67,600
Goodwill at the end of the period | 3,222,200
Construction Services |
Changes in the carrying value of goodwill by reporting segment |
Goodwill at the beginning of the period | 276,900
Acquired | 393,000
Post-Acquisition Adjustments | 13,700
Foreign Exchange Impact | 25,800
Goodwill at the end of the period | 657,800
Management Services |
Changes in the carrying value of goodwill by reporting segment |
Goodwill at the beginning of the period | 181,200
Acquired | 1,761,800
Foreign Exchange Impact | 19,000
Goodwill at the end of the period | $ 1,924,000

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e961-128460 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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