Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 32,405	$ 28,571
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	21,867	20,760
Loss/(gain) on disposal of property, plant, equipment and other assets	(210)	360
Gain on insurance proceeds from insurance settlement	(1,531)	0
Deferred taxes	16,494	3,253
Increase in long-term pension liability	330	135
Stock-based compensation expense	2,883	3,071
Write-off deferred loan costs	0	725
Deferred loan cost amortization	768	764
Equity in net loss of unconsolidated subsidiary	1,195	236
Changes in operating assets and liabilities, net of effects from acquisitions:
Accounts receivable	1,451	12,434
Income taxes refundable/payable	(3,313)	11,027
Inventories and prepaid expenses	(390)	(8,337)
Accounts payable and accrued expenses	(6,333)	(23,438)
Other	(6,134)	4,010
Net cash provided by operating activities	59,482	53,571
Cash flows from investing activities:
Capital expenditures	(26,392)	(24,690)
Investment in unconsolidated subsidiary	(12,535)	(11,351)
Gross proceeds from disposal of property, plant and equipment and other assets	412	2,228
Payments related to routes and other intangibles	(613)	0
Net cash used by investing activities	(39,128)	(33,813)
Cash flows from financing activities:
Payments on long-term debt	(21)	(30,002)
Issuance of common stock	16	64
Minimum withholding taxes paid on stock awards	(2,523)	(2,157)
Excess tax benefits from stock-based compensation	702	985
Net cash used by financing activities	(1,826)	(31,110)
Net increase (decrease) in cash and cash equivalents	18,528	(11,352)
Cash and cash equivalents at beginning of period	103,249	38,936
Cash and cash equivalents at end of period	121,777	27,584
Supplemental disclosure of cash flow information:
Accrued capital expenditures	2,341	0
Cash paid during the period for:
Interest	167	155
Income taxes, net of refunds	$ 8,118	$ 295