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Line of Credit, Short-Term and Long-Term Borrowings - Long Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 137,299 | $ 140,185 |
| Less current installments | 11,754 | 11,668 |
| Total long-term debt | 125,545 | 128,517 |
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Note payable to banks one [Member]
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| Debt Instrument [Line Items] | ||
| Long-term debt | 79,664 | 79,916 |
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Note payable to banks two [Member]
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| Debt Instrument [Line Items] | ||
| Long-term debt | 27,669 | 29,010 |
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Note payable to banks three [Member]
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| Debt Instrument [Line Items] | ||
| Long-term debt | 27,991 | 29,213 |
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Note payable to TCF Equipment Finance, Inc. [Member]
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| Debt Instrument [Line Items] | ||
| Long-term debt | 1,970 | 2,036 |
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Capital lease obligations [Member]
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| Debt Instrument [Line Items] | ||
| Long-term debt | $ 5 | $ 10 |