Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Cash flows from operating activities:
Net income	$ 14,766	$ 20,129
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	14,173	12,063
Amortization	1,924	1,713
(Gain) loss on disposition/impairment of fixed assets	(1,809)	40
Gain on sale of marketable securities	(41)	(47)
Gain on sale of intangible assets	0	(250)
Deferred income taxes	(1,308)	3,680
Changes in operating assets and liabilities:
Inventories	9,775	3,682
Accounts receivable and prepaid expenses	(6,170)	(16,491)
Accounts payable and other liabilities	(1,298)	6,402
Income taxes payable	4,012	5,000
Other	168	239
Net cash provided by operating activities	34,192	36,160
Cash flows from investing activities:
Purchase of property and equipment	(17,880)	(30,017)
Proceeds from the sale of property and equipment	2,042	308
Purchase of marketable securities	(603)	(2,000)
Proceeds from the sale of marketable securities	106	6,617
Purchase of intangible assets	(30)	(10)
Change in SERP investment	(807)	(1,134)
Net cash used in investing activities	(17,172)	(26,236)
Cash flows from financing activities:
Dividends paid	(8,070)	(8,070)
Net cash used in financing activities	(8,070)	(8,070)
Net increase in cash and cash equivalents	8,950	1,854
Cash and cash equivalents at beginning of year	17,965	14,381
Cash and cash equivalents at end of period	$ 26,915	$ 16,235