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Long-term Debt (Narrative) (Details) (USD $)
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0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||
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May 27, 2011
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Jun. 30, 2012
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Jul. 02, 2011
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Mar. 31, 2011
Loans Payable [Member]
Term Loan [Member]
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Jun. 30, 2012
Loans Payable [Member]
Term Loan [Member]
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Jul. 02, 2011
Loans Payable [Member]
Term Loan [Member]
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May 27, 2011
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
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Jul. 02, 2011
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
Minimum [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
Maximum [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
Federal Funds [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
LIBOR [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
Prime Rate [Member]
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Jun. 30, 2012
Revolving Credit Facility [Member]
Revolving Credit Facility, due March 2019 [Member]
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Jul. 02, 2011
Revolving Credit Facility [Member]
Revolving Credit Facility, due March 2019 [Member]
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Jun. 30, 2012
Amended Loan Agreement [Member]
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
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Jul. 02, 2011
Amended Loan Agreement [Member]
Revolving Credit Facility [Member]
Revolving Credit Facility, due May 2016 [Member]
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| Debt Instrument [Line Items] | ||||||||||||||||||
| Variable rate basis | LIBOR | federal funds | LIBOR | prime rate | ||||||||||||||
| Basis spread on variable rate (as a percent) | 0.50% | 1.00% | ||||||||||||||||
| Line of credit, capacity after increase during period | $ 145,000,000 | |||||||||||||||||
| Line of credit, increase in amount previously available | 35,000,000 | |||||||||||||||||
| Line of credit, maximum credit available | 200,000,000 | |||||||||||||||||
| Payments of financing costs | 1,400,000 | |||||||||||||||||
| Monthly installment payment | 200,000 | 1,700,000 | ||||||||||||||||
| Payment term (in years) | 7 years | 18 months | ||||||||||||||||
| Annual facility fee (as a percentage) | 0.25% | 0.375% | ||||||||||||||||
| Amount in excess of average daily principal | 145,000,000 | |||||||||||||||||
| Outstanding under credit facility | 104,000,000 | |||||||||||||||||
| Average interest rate (as a percentage) | 2.60% | |||||||||||||||||
| Remaining borrowing capacity | 33,600,000 | |||||||||||||||||
| Fixed charge coverage ratio | 12 months | |||||||||||||||||
| Amount of availability, percent of borrowing base | 12.50% | |||||||||||||||||
| Amount of availability, benchmark | 145,000,000 | |||||||||||||||||
| Fixed charge coverage ratio (FCCR) | 1.1 | |||||||||||||||||
| Availablility requirement, for dividends and stock repurchases | 15,000,000 | |||||||||||||||||
| Average availablility requirement, for dividends and stock repurchases | 15,000,000 | |||||||||||||||||
| Average period for availablility requirement, for dividends and stock repurchases (in days) | 30 days | |||||||||||||||||
| Aggregate amount of dividends and stock repurchases, benchmark | 19,000,000 | |||||||||||||||||
| Aggregate amount of dividends and stock repurchases, benchmark basis spread based on cumulative net income | 50.00% | |||||||||||||||||
| Retained earnings, amount available for dividends and stock repuchases | 14,800,000 | 18,700,000 | ||||||||||||||||
| Gains (losses) on extinguishment of debt | 0 | |||||||||||||||||
| Interest rate | 7.00% | 7.00% | ||||||||||||||||
| Installment loan, term (in years) | 7 years | |||||||||||||||||
| Outstanding borrowings | $ 114,478,000 | $ 86,773,000 | $ 5,513,000 | $ 5,837,000 | $ 103,965,000 | $ 75,936,000 | $ 5,000,000 | $ 5,000,000 | ||||||||||