Applicable Margin Rate On Base Rate

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- Definition

Applicable Margin Rate On Eurodollar Rate

+ References

No definition available.

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- Definition

Debt Instrument Interest Additional Interest Above Eurodollar Rate

+ References

No definition available.

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- Definition

Debt Instrument Interest Additional Interest Above Federal Fund Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Number of Periodic Payment

+ References

No definition available.

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- Definition

Ratio of adjusted earnings before interest, taxes , depreciation and amortization plus rent expense to certain fixed charges (interest expense, required principal payments and capital expenditures).

+ References

No definition available.

+ Details

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- Definition

Fixed charge coverage ratio of adjusted earnings before interest, taxes, depreciation and amortization, plus rent expense to certain fixed charges (i.e. interest expense, required principal payments, capital expenditures, etc), minimum

+ References

No definition available.

+ Details

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

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- Definition

Percentage Of Earnings before Interest, Taxes, Depreciation and Amortization

+ References

No definition available.

+ Details

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- Definition

Amount of a short-term or long-term contractual arrangement with a lender, including letter of credit, standby letter of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line of credit.

+ References

No definition available.

+ Details

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- Definition

Period of term loan

+ References

No definition available.

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- Definition

Reflects the calculation as of the average interest rate weighted by the amount outstanding at the balance sheet date.

+ References

No definition available.

+ Details

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- Definition

Ratio of debt to earnings before interest, taxes, depreciation and amortization.

+ References

No definition available.

+ Details

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- Definition

Total leverage ratio of debt to earnings before interest, taxes, depreciation and amortization, maximum

+ References

No definition available.

+ Details

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- Definition

Date the debt agreement requires the first payment to be made, in CCYY-MM-DD format.

+ 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)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

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- Definition

Interest rate stated in the contractual debt agreement.

+ References

+ Details

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- Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ 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)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Amount of the required periodic payments applied to principal.

+ References

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Decrease for amounts repaid on the credit facility for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

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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 Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ 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 210.9-03.16)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Name Regulation S-X (SX)

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20, 22

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Topic 944

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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- Definition

Including the current and noncurrent portions, the carrying value of notes payable which were initially due after one year or beyond the normal operating cycle, if longer, and which are not otherwise defined in the taxonomy.

+ References

+ Details

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- Definition

The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal.

+ References

No definition available.

+ Details

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (b)

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-Name Statement of Financial Accounting Standard (FAS)

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-Paragraph 20

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The cash outflow for a borrowing supported by a written promise to pay an obligation.

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Long Term Obligations - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
	Oct. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Oct. 26, 2012	Sep. 30, 2012
Debt Instrument [Line Items]
Credit Facility, maximum borrowing capacity					$ 225,000,000
Amount of Revolving Credit Facility						250,000,000
Credit Facility, maximum additional borrowing capacity					100,000,000
Principal amount of existing term loan paid off	15,000,000	104,441,000	37,485,000	44,838,000
Principal amount of existing senior notes paid off	60,000,000
Credit Facility, additional interest rate over Federal Funds Rate	0.50%
Credit Facility, additional interest rate over Eurodollar Rate	1.00%
Credit Facility, applicable margin on Base Rate Advances	1.50%
Credit Facility, applicable margin on Eurodollar Rate Advances	2.50%
Term loan value		102,700,000	145,400,000
Total leverage ratio		1.1
Fixed charge coverage ratio		1.3
Prepayment fee	3,600,000
Revolving Credit Facility terminated	250,000,000
Wholly Owned Subsidiary \| Minimum
Debt Instrument [Line Items]
Percentage of consolidated adjusted EBITDA that guarantor subsidiaries represent	95.00%
Subsidiaries \| Minimum
Debt Instrument [Line Items]
Percentage of consolidated adjusted EBITDA that guarantor subsidiaries represent	70.00%
Series A Senior Notes
Debt Instrument [Line Items]
Principal amount of existing senior notes paid off	15,000,000
Series B Senior Notes
Debt Instrument [Line Items]
Principal amount of existing senior notes paid off	10,000,000
Series C Senior Notes
Debt Instrument [Line Items]
Principal amount of existing senior notes paid off	35,000,000
Term A Loan
Debt Instrument [Line Items]
Credit Facility, maximum borrowing capacity					60,000,000
Maturity date		Oct. 26, 2017
Revolving Credit Facility
Debt Instrument [Line Items]
Amount of Revolving Credit Facility					165,000,000
Swing Line Loan
Debt Instrument [Line Items]
Amount of Revolving Credit Facility		15,000,000
Letter of Credit
Debt Instrument [Line Items]
Amount of Revolving Credit Facility		50,000,000
Revolving Credit Facilities
Debt Instrument [Line Items]
Maturity date		Oct. 26, 2017
Availabale Revolving Credit Facility		144,500,000
Outstanding in letters of credit		20,500,000
Term Loan
Debt Instrument [Line Items]
Maturity date	Oct. 26, 2017	Mar. 26, 2013
Debt instrument first installment payment date	Dec. 31, 2012
Debt instrument, number of quarterly installments					20
Debt instrument, quarterly installments amount	3,000,000
Term Loans
Debt Instrument [Line Items]
Term loan, period		5 years	5 years
Term loan value		60,000,000	150,000,000
Weighted-average interest rate for five year Term Loan		1.70%	1.00%
Line of Credit
Debt Instrument [Line Items]
Leverage ratio of debt to earnings before interest, taxes, depreciation and amortization ("EBITDA")		2.0
Fixed charge coverage ratio of adjusted earnings before interest, taxes, depreciation and amortization plus rent expense to certain fixed charges minimum		1.25
Promissory Notes
Debt Instrument [Line Items]
Promissory notes		5,700,000
Promissory Notes \| Minimum
Debt Instrument [Line Items]
Promissory notes		2,200,000
Promissory notes, interest rate percentage		1.00%
Promissory Notes \| Maximum
Debt Instrument [Line Items]
Promissory notes		$ 10,800,000
Promissory notes, interest rate percentage		1.97%