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Borrowings (Details) (USD $)
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6 Months Ended | 6 Months Ended | 6 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Jun. 30, 2013
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Dec. 31, 2013
Revolving credit facility
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Dec. 31, 2013
Revolving credit facility
LIBOR
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Dec. 31, 2013
Revolving credit facility
LIBOR
Minimum
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Dec. 31, 2013
Revolving credit facility
LIBOR
Maximum
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Dec. 31, 2013
Bank lines-of-credit
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Dec. 31, 2013
Seven-year term loan due in fiscal 2020
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Sep. 30, 2012
Seven-year term loan due in fiscal 2020
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Dec. 31, 2013
Seven-year term loan due in fiscal 2020
LIBOR
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| Borrowings | ||||||||||
| Maximum borrowing capacity | $ 425,000,000 | |||||||||
| Sub-limit available for letters of credit | 375,000,000 | |||||||||
| Increase in the credit agreement's borrowing capacity available under certain circumstances | 100,000,000 | |||||||||
| Variable basis rate | LIBOR | LIBOR | ||||||||
| Interest rate margin (as a percent) | 1.50% | 1.50% | 2.00% | 1.25% | ||||||
| Unused commitment fee (as a percent) | 0.25% | |||||||||
| Amount outstanding | 60,000,000 | 59,000,000 | 60,000,000 | 0 | ||||||
| Amount outstanding under letters-of-credit sub-facility | 115,600,000 | 16,800,000 | ||||||||
| Available credit facility | 25,700,000 | |||||||||
| Total cash borrowing sub-limit | 3,200,000 | |||||||||
| Principal amount | 11,100,000 | |||||||||
| Term of loan | 7 years | |||||||||
| Effective interest rate (as a percent) | 2.20% | |||||||||
| Term loans | 11,751,000 | 12,470,000 | ||||||||
| Other long-term debt | 2,944,000 | |||||||||
| Long-term debt | 14,695,000 | 12,470,000 | ||||||||
| Less current portion of long-term debt | 2,971,000 | 1,797,000 | ||||||||
| Long-term portion of debt | $ 11,724,000 | $ 10,673,000 | ||||||||