Debt - Additional Information (Detail) (USD $)	12 Months Ended
Dec. 31, 2013	Nov. 15, 2013
Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fee to lenders unused amounts, percentage	0.25%
Amortization of deferred fees relating to revolving credit facility and notes	$ 4,700,000
Outstanding letters of credit	2,800,000
Availability of borrowing	37,200,000
Capital stock of direct domestic subsidiaries	100.00%
Capital stock of foreign subsidiary	65.00%
Guarantee revocation, minimum amount for judgment	2,000,000
Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Breach or default of agreements related to debt that could result in acceleration	5,000,000
Revolving Credit Facility \| Bank of America, N.A.
Debt Instrument [Line Items]
Loan and security agreement, Initiation date	Nov. 15, 2013
Maturity of revolving credit facility	Nov. 15, 2018
Fixed charge coverage ratio	100.00%
Revolving credit facility		40,000,000
Revolving credit facility, additional capacity		35,000,000
Minimum amount of borrowing availability under revolving credit facility	10,000,000
Letter of Credit
Debt Instrument [Line Items]
Fixed charge coverage ratio	100.00%
Revolving credit facility	7,500,000
Minimum Remaining Borrowing Capacity to avoid fixed charge coverage ratio covenant	7,500,000
Continuance to comply with the requirements of borrowing availability for consecutive days	60
7.875% Senior Secured Notes due 2019
Debt Instrument [Line Items]
Percentage of interest on Senior Secured Notes	7.875%
Senior Secured Notes, Maturity date	Apr. 15, 2019
Pledge of capital stock of company domestic subsidiaries	100.00%
Voting capital of each foreign subsidiary	65.00%
Maximum redemption of aggregate principal amount	$ 25,000,000
Redemption price as percentage of principal amount plus accrued interest	103.00%
Redemption percentage of principal amount with proceeds from certain equity offerings	35.00%
Redemption price as percentage of principal amount plus accrued interest with proceeds of certain equity offerings	107.875%
Redemption price as percentage of principal amount in case of change of control	101.00%
7.875% Senior Secured Notes due 2019 \| Scenario 1
Debt Instrument [Line Items]
Redemption price as percentage of principal amount	100.00%

Aggregate Amount Of Non Payment Of Judgements To Trigger Default

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- Definition

Capital stock of direct domestic subsidiaries.

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- Definition

Capital stock of foreign subsidiary.

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- Definition

Continuance to comply with the requirements of borrowing availability for certain number of days.

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- Definition

Debt Instrument Amount Of Debt Which Results Acceleration Of Debt If Failed To Pay Considered As Event Of Default

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- Definition

Fixed charge coverage ratio.

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- Definition

Fixed charge coverage ratio covenant reference borrowing capacity.

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

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- Definition

Maximum redemption of aggregate principal amount.

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- Definition

Minimum amount of borrowing availability under revolving credit facility.

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- Definition

Pledge of capital stock of company domestic subsidiaries.

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- Definition

Redemption percentage of principal amount with proceeds from certain equity offerings.

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- Definition

Redemption Price as Percentage of Principal Amount in Case of Change of Control

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- Definition

Redemption price as percentage of principal amount plus accrued interest.

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Redemption price as percentage of principal amount plus accrued interest with proceeds of certain equity offerings.

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- Definition

Voting capital of each foreign subsidiary.

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- Definition

The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.

+ References

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

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-Glossary Direct Loan Origination Costs

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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- Definition

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

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

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

+ References

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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-Name Accounting Standards Codification

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

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- Definition

Date the credit facility first became available, in CCYY-MM-DD format.

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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.

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- Definition

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

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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