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Leases (Tables) | 12 Months Ended
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Dec. 27, 2014
Minimum Lease Payments | The future minimum lease payments under all noncancelable leases at December 27, 2014, principally for trailing equipment, are shown in the following table (in thousands):
|  | Capital Leases |  |  | Operating Leases |
2015 |  | $ | 37,234 |  |  | $ | 916 |
2016 |  |  | 34,453 |  |  |  | 532 |
2017 |  |  | 24,256 |  |  |  | 198 |
2018 |  |  | 14,111 |  |  |  | 115 |
2019 |  |  | 5,843 |  |  |  | 54 |
|  |  | 115,897 |  |  | $ | 1,815 |
Less amount representing interest (2.0% to 3.9%) |  |  | 4,576 |  |  |  |  |
Present value of minimum lease payments |  | $ | 111,321 |  |  |  |  |

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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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