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Business Combinations - Acquisition Method for Recording Business Combinations (Detail) shares in Thousands | 3 Months Ended
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Mar. 31, 2017 USD ($) shares
Business Acquisition [Line Items] |
Common Shares Issued | shares | 166
Common Share Value | $ 8,400,000
Cash Paid | 143,300,000
Accrued Liability | 0
Escrow Deposited | 12,200,000
Recorded Earnout Payable | 32,900,000
Total Recorded Purchase Price | 196,800,000
Maximum Potential Earnout Payable | 68,400,000
Construction Risk Solutions, LLC [Member] |
Business Acquisition [Line Items] |
Cash Paid | 27,900,000
Accrued Liability | 0
Escrow Deposited | 3,100,000
Recorded Earnout Payable | 4,500,000
Total Recorded Purchase Price | 35,500,000
Maximum Potential Earnout Payable | 10,000,000
Hill, Chesson And Woody [Member] |
Business Acquisition [Line Items] |
Cash Paid | 34,800,000
Accrued Liability | 0
Escrow Deposited | 700,000
Recorded Earnout Payable | 15,600,000
Total Recorded Purchase Price | 51,100,000
Maximum Potential Earnout Payable | 24,400,000
Presidio Group, Inc. [Member] |
Business Acquisition [Line Items] |
Cash Paid | 41,800,000
Accrued Liability | 0
Escrow Deposited | 4,800,000
Recorded Earnout Payable | 5,500,000
Total Recorded Purchase Price | 52,100,000
Maximum Potential Earnout Payable | $ 15,000,000
Nine Other Acquisitions [Member] |
Business Acquisition [Line Items] |
Common Shares Issued | shares | 166
Common Share Value | $ 8,400,000
Cash Paid | 38,800,000
Accrued Liability | 0
Escrow Deposited | 3,600,000
Recorded Earnout Payable | 7,300,000
Total Recorded Purchase Price | 58,100,000
Maximum Potential Earnout Payable | $ 19,000,000

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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
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- Definition Amount of other liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472 + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + 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=66902209&loc=d3e3213-108585 + Details
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