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Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  |  |  |  |  | 3 Months Ended
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Dec. 31, 2013 | Dec. 31, 2013 Revolving Credit Facility [Member] | Jan. 06, 2012 Revolving Credit Facility [Member] Revolver Loans [Member] | Jan. 06, 2012 Revolving Credit Facility [Member] Letter of Credit Facility Sublimit [Member] | Jan. 06, 2012 Revolving Credit Facility [Member] Swing Advance Loan Sublimit [Member] | Jan. 06, 2012 Revolving Credit Facility [Member] Revolving Loan Limit [Member] | Jun. 30, 2013 Revolving Credit Facility [Member] Revolver Loans First Amendment [Member] | Feb. 26, 2013 Revolving Credit Facility [Member] Revolver Loans First Amendment [Member] | Dec. 17, 2013 Revolving Credit Facility [Member] Revolver Loans Second Amendment Portion Effective One January Two Zero One Four [Member] | Dec. 17, 2013 Revolving Credit Facility [Member] Revolver Loans Second Amendment Portion Effective Thirty June Two Zero One Four [Member] | Dec. 31, 2013 Minimum [Member] Revolving Credit Facility [Member] | Dec. 31, 2013 Maximum [Member] Revolving Credit Facility [Member]
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Company Indebtedness | $ 0 |  |  |  |  |  |  |  |  |  |  |
Interest rate on the revolving credit facility |  | 1.90% |  |  |  |  |  |  |  |  |  |
Revolving loans in a collective maximum principal amount |  |  | 100 | 15 | 5 | 100 | 100 | 125 | 125 | 100 |  |
Additional available borrowing capacity |  | 71.9 |  |  |  |  |  |  |  |  |  |
Outstanding borrowings under the revolver loans |  | 0 |  |  |  |  |  |  |  |  |  |
Credit facility covenant terms | (a) Minimum Consolidated Net Worth. The Company agreed that it will maintain Consolidated Net Worth, measured as of the end of each Fiscal Quarter, commencing with the Fiscal Quarter ended December 31, 2011, of not less than $85 million. (b) Fixed Charge Coverage Ratio. The Company agreed that it will not permit the Fixed Charge Coverage Ratio to be less than 1.15 to 1.0, measured as of the end of each Fiscal Quarter, commencing with the Fiscal Quarter ended December 31, 2011. (c) Consolidated Debt to Consolidated EBITDA Ratio. The Company agreed that it will not permit the Consolidated Debt to Consolidated EBITDA Ratio to exceed 3.5 to 1.0 measured as of the end of each Fiscal Quarter (and in the case of Consolidated EBITDA, for the four-quarter period ending on such date) after the date on which the Senior Subordinated Notes have been redeemed in full. |  |  |  |  |  |  |  |  |  |  |
Minimum tangible net worth as per credit agreement |  | $ 85 |  |  |  |  |  |  |  |  |  |
Fixed charge coverage ratio as per credit agreement |  |  |  |  |  |  |  |  |  |  | 1.15 |
Consolidated debt to earnings before interest taxes depreciation amortization ratio as per the credit agreement |  |  |  |  |  |  |  |  |  |  |  | 3.5

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- Definition Consolidated debt to earnings before interest taxes depreciation ratio as per amended credit agreement. + References No definition available. + Details
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- Definition Fixed charge coverage ratio as per credit agreement. + References No definition available. + Details
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- Definition Minimum tangible net worth as per credit agreement. + References No definition available. + Details
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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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