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Acquisitions (Details) - USD ($) $ in Thousands | Feb. 01, 2016 | Aug. 19, 2015
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Aurora [Member] |  |
Business Acquisition [Line Items] |  |
Purchase price of acquisition |  | $ 210,026
DDI [Member] |  |
Business Acquisition [Line Items] |  |
Purchase price of acquisition | $ 7,659 |

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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=56944662&loc=d3e3213-108585 + Details
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- Details
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