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Summary of Significant Accounting Policies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2016 USD ($) segment | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Accounting Policies [Abstract] |  |  |
Advertising Costs | $ 47,312,000 | $ 44,015,000 | $ 42,335,000
Goodwill [Line Items] |  |  |
Number of reportable segments | segment | 3 |  |
Valuation allowance | $ 18,907,000 | $ 26,329,000 |
Provision for workers' compensation claims threshold | $ 500,000.0 |  |
Minimum |  |  |
Goodwill [Line Items] |  |  |
Amortized life assigned to identifiable intangible assets (in years) | 2 years |  |
Maximum |  |  |
Goodwill [Line Items] |  |  |
Amortized life assigned to identifiable intangible assets (in years) | 5 years |  |

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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