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Leases (Tables) | 12 Months Ended
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Dec. 29, 2012
Minimum Lease Payments | The future minimum lease payments under all noncancelable leases at December 29, 2012, principally for trailing equipment, are shown in the following table (in thousands):
|  | Capital Leases |  |  | Operating Leases |
2013 |  | $ | 20,696 |  |  | $ | 2,152 |
2014 |  |  | 19,973 |  |  |  | 1,659 |
2015 |  |  | 17,702 |  |  |  | 1,084 |
2016 |  |  | 14,918 |  |  |  | 574 |
2017 |  |  | 4,691 |  |  |  | 572 |
Thereafter |  |  | — |  |  |  | 588 |
|  |  | 77,980 |  |  | $ | 6,629 |
Less amount representing interest (2.1% to 5.0%) |  |  | 3,839 |  |  |  |  |
Present value of minimum lease payments |  | $ | 74,141 |  |  |  |  |

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- Definition Schedule Of Future Minimum Lease Payments For Non Cancelable Leases [Table Text Block] + References No definition available. + Details
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