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DEBT - Additional Information (Detail) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2012
Debt Instrument [Line Items]    
Repayment of term loan   $ 10,000,000
Loss on early retirement of debt (348,000) (348,000)
Secured Debt
    
Debt Instrument [Line Items]    
Revolving Credit Facility 150,000,000 150,000,000
Revolving Credit Facility
    
Debt Instrument [Line Items]    
Maturity date   Oct. 28, 2016
Line of credit facility interest rate description   Borrowings under the Revolving Credit Facility bear interest, at the Company's option, at one of the following rates (i) the Alternate Base Rate, defined as the greater of the Prime Rate, Federal Funds Rate plus 0.5% or the Adjusted LIBOR rate plus 1.0%, plus a margin of 1.0% to 1.75%, or (ii) the Eurodollar Rate, defined as the Adjusted LIBOR Rate plus a margin of 2.0% to 2.75%. The respective margins are based upon availability.
Open letters or credit 1,200,000 1,200,000
Outstanding borrowing under revolving credit facility 63,400,000 63,400,000
Availability under revolving credit facility 66,000,000 66,000,000
Availability under revolving credit facility, percentage of the total loan commitment   44.00%
Revolving Credit Facility | Minimum
    
Debt Instrument [Line Items]    
Interest rates on outstanding borrowings 2.50% 2.50%
Percentage of Line of Credit Facility Unused Capacity Commitment Fee   0.375%
Revolving Credit Facility | Maximum
    
Debt Instrument [Line Items]    
Interest rates on outstanding borrowings 4.50% 4.50%
Percentage of Line of Credit Facility Unused Capacity Commitment Fee   0.50%
Revolving Credit Facility | Alternate Base Rate
    
Debt Instrument [Line Items]    
Interest rate above Federal Funds Rate 0.50% 0.50%
Interest Rate above Libor Rate 1.00% 1.00%
Revolving Credit Facility | Alternate Base Rate | Minimum
    
Debt Instrument [Line Items]    
Interest rate margin 1.00% 1.00%
Revolving Credit Facility | Alternate Base Rate | Maximum
    
Debt Instrument [Line Items]    
Interest rate margin 1.75% 1.75%
Revolving Credit Facility | Euro Dollar Rate | Minimum
    
Debt Instrument [Line Items]    
Interest rate margin 2.00% 2.00%
Revolving Credit Facility | Euro Dollar Rate | Maximum
    
Debt Instrument [Line Items]    
Interest rate margin 2.75% 2.75%
Term Loan
    
Debt Instrument [Line Items]    
Maturity date   Jun. 08, 2015
Interest rates on outstanding borrowings 10.00% 10.00%
Repayment of term loan   10,000,000
Term Loan, amount outstanding 30,000,000 30,000,000
Loss on early retirement of debt   (348,000)
Term loan interest rate description   The Term Loan bears interest, at the Company's option, at one of the following rates: (i) the Alternate Base Rate, defined as the greater of the corporate rate published by the lender and the Federal Funds Rate plus 0.50% provided that such calculated rate is a minimum of 2.50%, plus a margin of 7.50%, or (ii) the Adjusted LIBOR rate which shall be a minimum of 1.50%, plus a margin of 8.50%.
Term Loan requirement   The Term Loan requires the Company to have EBITDA, as defined, of not less than $31.0 million for the trailing four fiscal quarters through June 30, 2012 and limits capital expenditures to $8.0 million for 2012.
Debt Instrument, Covenant Compliance   The Company was in compliance with the financial covenants of the Term Loan and Revolving Credit Facility at June 30, 2012.
Term Loan | Alternate Base Rate
    
Debt Instrument [Line Items]    
Interest rate above Federal Funds Rate 0.50% 0.50%
Interest rate margin 7.50% 7.50%
Calculated rate, minimum rate 2.50% 2.50%
Term Loan | All Other
    
Debt Instrument [Line Items]    
Interest rate margin 8.50% 8.50%
Adjusted LIBOR rate, minimum rate 1.50% 1.50%
Term Loan | Covenant Requirement | Minimum
    
Debt Instrument [Line Items]    
Minimum Earnings before interest taxes depreciation and amortization required under term loan agreement   31,000,000
Term Loan | Covenant Requirement | Maximum
    
Debt Instrument [Line Items]    
Maximum capital expenditures allowed for the trailing four fiscal quarters through March 31, 2012 under the Term Loan agreement   $ 8,000,000