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Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 27, 2012	Jun. 29, 2011
Supplemental Cash Flow Information [Abstract]
Income taxes paid, net	$ 1,365	$ 737
Interest paid	7,657	12,705
Noncash investing and financing activities:
Notes received in connection with disposition of property	0	500
Execution of direct financing leases	747	218
Issuance of common stock, pursuant to share-based compensation plans	296	450
Execution of capital leases	1,281	2,674
Treasury stock payable	$ 395	$ 294

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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