Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Cash flows provided by (disbursed for) operating activities:
Net income	$ 163,776	$ 189,191	$ 175,739
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	140,869	132,175	128,961
Impairment of assets	24,877	3,771	10,308
Stock-based compensation	18,761	15,692	18,662
Loss reclassified from accumulated other comprehensive income to net income	5,307	8,551	5,218
Deferred income taxes	(14,457)	18,293	9,241
Provision for inventory obsolescence	1,324	776	1,074
Allowances for accounts receivable	3,365	2,395	4,956
Pension and postretirement plans (benefit) expense	2,238	(5,878)	5,341
Other	(3,957)	(3,425)	(6,215)
Qualified pension plan contributions	(1,000)	(10,000)	(12,999)
Changes in operating assets and liabilities, net of acquisitions and disposals:
Accounts and notes receivable, net	(7,888)	(16,873)	7,181
Inventories, net	(1,526)	(9,717)	6,977
Hedging activities, net	13,592	(12,818)	22
Other assets	(11,107)	(12,899)	(11,337)
Accounts payable	(519)	14,563	(9,951)
Other accrued liabilities	12,389	4,504	(17,995)
Net cash provided by operating activities	346,044	318,301	315,183
Cash flows provided by (disbursed for) investing activities:
Purchases of property, plant and equipment	(101,727)	(90,773)	(83,778)
Repurchase of independent distributor territories	(10,350)	(13,768)	(16,198)
Principal payments from notes receivable	22,272	23,023	21,103
Acquisition of businesses, net of cash acquired		(390,221)
Contingently refundable consideration			7,500
Proceeds from sales of property, plant and equipment	17,667	14,324	36,303
Acquisition of intangible assets		(5,000)
Other investing activities	2,091	839	544
Net cash disbursed for investing activities	(70,047)	(461,576)	(34,526)
Cash flows provided by (disbursed for) financing activities:
Dividends paid, including dividends on share-based payment awards	(131,073)	(120,442)	(102,302)
Exercise of stock options	27,631	19,617	21,014
Excess windfall tax benefit related to share-based payment awards	3,851	9,134	7,879
Payments for debt issuance costs	(4,380)	(646)	(773)
Stock repurchases	(126,300)	(6,858)	(38,916)
Change in bank overdrafts	1,914	2,325	(679)
Proceeds from debt borrowings	2,090,492	1,064,600	1,175,200
Debt and capital lease obligation payments	(2,146,100)	(817,600)	(1,343,087)
Net cash (disbursed for) provided by financing activities	(283,965)	150,130	(281,664)
Net (decrease) increase in cash and cash equivalents	(7,968)	6,855	(1,007)
Cash and cash equivalents at beginning of period	14,378	7,523	8,530
Cash and cash equivalents at end of period	6,410	14,378	7,523
Schedule of non cash investing and financing activities:
Capital and right-to-use lease obligations	15,622	2,298	12,399
Distributor routes sold with deferred gains, net	5,213	166	11,443
Increase in property, plant and equipment from financing	4,855
Purchase of property, plant and equipment included in accounts payable	5,203	3,637	1,094
Cash paid during the period for:
Interest	26,897	24,112	26,065
Income taxes paid, net of refunds of $12,212, $7,587 and $4,240, respectively	84,108	80,062	78,587
Executive Deferred Compensation Plan
Schedule of non cash investing and financing activities:
Issuance of executive deferred compensation plan common stock	114	206	264
Distributor Notes Receivable
Schedule of non cash investing and financing activities:
Issuance of notes receivable on new distribution territories, net	$ 23,352	15,739	$ 41,731
Alpine Valley Bread Company
Schedule of non cash investing and financing activities:
Shares issued for the Alpine acquisition		$ 12,602