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Summary of Long Term Debt (Parenthetical) (Detail) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2016
Debt Instrument [Line Items] |  |  |  |  |
Consolidated funded debt ratio | 350.00% | 350.00% | 350.00% | 325.00% |
Ratio of consolidated current assets to consolidated current liabilities |  |  |  |  | 120.00%
Senior secured credit facility term |  |  |  |  | 5 years
Senior secured credit facility, maturity date |  |  |  |  | Jun. 17, 2018
Maximum | Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Accordion feature |  |  |  |  | $ 100,000,000
Revolving Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Senior secured credit facility |  |  |  |  | $ 200,000,000

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- Definition Line of credit facility covenant consolidated current assets to consolidated current liabilities ratio. + References No definition available. + Details
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- Definition Period remaining on line of credit facility before it terminates, 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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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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