Guarantor Financial Information Condensed Consolidated Statements of Cash Flows (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Net income		$ 106,944	$ 8,684	$ 10,328	$ 7,398	$ 41,680	$ 28,890	$ 33,991	$ 2,663	$ 133,354	$ 107,224	$ 85,279
Cash flows from operating activities:
Earnings in investments in subsidiaries										0	0	0
Other operating cash flows										277,233	283,812	335,680
Net cash provided by operating activities										410,587	391,036	420,959
Cash flows from investing activities:
Capital expenditures	[1]									(274,168)	(243,523)	(229,848)
Acquisitions, net of cash acquired										(12,144)	(8,511)	(377)
Investment in unconsolidated subsidiary										(4,750)	0	0
Note receivable from affiliates										0	0	0
Gross proceeds from sale of property, plant and equipment and other assets										8,090	7,329	3,840
Proceeds from insurance settlement										6,054	1,537	561
Payments related to routes and other intangibles										(7,135)	(23)	(3,845)
Net cash used in investing activities										(284,053)	(243,191)	(229,669)
Cash flows from financing activities:
Proceeds from long-term debt										33,401	36,327	590,745
Payments on long-term debt										(149,623)	(204,428)	(609,255)
Borrowings from revolving credit facility										199,495	99,276	78,244
Payments on revolving credit facility										(204,935)	(104,028)	(166,755)
Net cash overdraft financing										(714)	1,071	(1,261)
Deferred loan costs										(6,717)	(3,879)	(17,310)
Issuance of common stock										22	188	171
Repurchase of common stock										0	(5,000)	(5,912)
Contributions from parent										0	0	0
Minimum withholding taxes paid on stock awards										(3,049)	(1,843)	(4,874)
Deductions of noncontrolling interest										(17,451)	0	(87)
Distributions to noncontrolling interests										(5,281)	(1,552)	(3,295)
Net cash used in financing activities										(154,852)	(183,868)	(139,589)
Effect of exchange rate changes on cash flows										20,528	(6,297)	(3,601)
Net increase/(decrease) in cash and cash equivalents										(7,790)	(42,320)	48,100
Cash and cash equivalents at beginning of year					114,564				156,884	114,564	156,884	108,784
Cash and cash equivalents at end of year		106,774				114,564				106,774	114,564	156,884
Parent Company [Member]
Net income										133,354	107,224	85,279
Cash flows from operating activities:
Earnings in investments in subsidiaries										(438,580)	(223,347)	(198,371)
Other operating cash flows										489,302	317,040	250,597
Net cash provided by operating activities										184,076	200,917	137,505
Cash flows from investing activities:
Capital expenditures										(83,520)	(51,330)	(46,574)
Acquisitions, net of cash acquired										0	0	0
Investment in unconsolidated subsidiary										(6,309)	0	(20)
Note receivable from affiliates										0	0	0
Gross proceeds from sale of property, plant and equipment and other assets										2,577	2,784	1,035
Proceeds from insurance settlement										0	0	71
Payments related to routes and other intangibles										(7,135)	0	0
Net cash used in investing activities										(94,387)	(48,546)	(45,488)
Cash flows from financing activities:
Proceeds from long-term debt										0	0	0
Payments on long-term debt										(79,706)	(143,935)	(16,111)
Borrowings from revolving credit facility										170,000	94,000	25,000
Payments on revolving credit facility										(170,000)	(94,000)	(90,000)
Net cash overdraft financing										0	0	0
Deferred loan costs										(6,717)	(3,879)	(7,295)
Issuance of common stock										22	188	171
Repurchase of common stock											(5,000)	(5,912)
Contributions from parent										0	0	0
Minimum withholding taxes paid on stock awards										(3,034)	(1,718)	(4,874)
Deductions of noncontrolling interest										0		0
Distributions to noncontrolling interests										0	0	0
Net cash used in financing activities										(89,435)	(154,344)	(99,021)
Effect of exchange rate changes on cash flows										0	0	0
Net increase/(decrease) in cash and cash equivalents										254	(1,973)	(7,004)
Cash and cash equivalents at beginning of year					1,470				3,443	1,470	3,443	10,447
Cash and cash equivalents at end of year		1,724				1,470				1,724	1,470	3,443
Guarantors [Member]
Net income										251,667	102,699	101,828
Cash flows from operating activities:
Earnings in investments in subsidiaries										0	0	0
Other operating cash flows										(240,494)	(100,970)	(53,098)
Net cash provided by operating activities										11,173	1,729	48,730
Cash flows from investing activities:
Capital expenditures										(74,384)	(91,340)	(91,702)
Acquisitions, net of cash acquired										(12,144)	0	0
Investment in unconsolidated subsidiary										(13,386)	(12,754)	(45,103)
Note receivable from affiliates										82,000	103,056	76,019
Gross proceeds from sale of property, plant and equipment and other assets										3,980	1,070	1,154
Proceeds from insurance settlement										0	0	490
Payments related to routes and other intangibles										0	0	0
Net cash used in investing activities										(13,934)	32	(59,142)
Cash flows from financing activities:
Proceeds from long-term debt										0	0	0
Payments on long-term debt										0	0	(55)
Borrowings from revolving credit facility										0	0	0
Payments on revolving credit facility										0	0	0
Net cash overdraft financing										0	0	0
Deferred loan costs										0	0	0
Issuance of common stock										0	0	0
Repurchase of common stock											0	0
Contributions from parent										0	0	0
Minimum withholding taxes paid on stock awards										0	0	0
Deductions of noncontrolling interest										0		0
Distributions to noncontrolling interests										0	0	0
Net cash used in financing activities										0	0	(55)
Effect of exchange rate changes on cash flows										0	0	0
Net increase/(decrease) in cash and cash equivalents										(2,761)	1,761	(10,467)
Cash and cash equivalents at beginning of year					5,754				3,993	5,754	3,993	14,460
Cash and cash equivalents at end of year		2,993				5,754				2,993	5,754	3,993
Non-guarantors [Member]
Net income										186,913	120,648	96,543
Cash flows from operating activities:
Earnings in investments in subsidiaries										0	0	0
Other operating cash flows										28,425	67,742	138,181
Net cash provided by operating activities										215,338	188,390	234,724
Cash flows from investing activities:
Capital expenditures										(116,264)	(100,853)	(91,572)
Acquisitions, net of cash acquired										0	(8,511)	(377)
Investment in unconsolidated subsidiary										0	0	29,541
Note receivable from affiliates										(82,000)	(103,056)	(76,019)
Gross proceeds from sale of property, plant and equipment and other assets										1,533	3,475	1,651
Proceeds from insurance settlement										6,054	1,537	0
Payments related to routes and other intangibles										0	(23)	(3,845)
Net cash used in investing activities										(190,677)	(207,431)	(140,621)
Cash flows from financing activities:
Proceeds from long-term debt										33,401	36,327	590,745
Payments on long-term debt										(69,917)	(60,493)	(593,089)
Borrowings from revolving credit facility										29,495	5,276	53,244
Payments on revolving credit facility										(34,935)	(10,028)	(76,755)
Net cash overdraft financing										(714)	1,071	(1,261)
Deferred loan costs										0	0	(10,015)
Issuance of common stock										0	0	0
Repurchase of common stock											0	0
Contributions from parent										14,945	12,754	15,582
Minimum withholding taxes paid on stock awards										(15)	(125)	0
Deductions of noncontrolling interest										(17,451)		(87)
Distributions to noncontrolling interests										(5,281)	(1,552)	(3,295)
Net cash used in financing activities										(50,472)	(16,770)	(24,931)
Effect of exchange rate changes on cash flows										20,528	(6,297)	(3,601)
Net increase/(decrease) in cash and cash equivalents										(5,283)	(42,108)	65,571
Cash and cash equivalents at beginning of year					107,340				149,448	107,340	149,448	83,877
Cash and cash equivalents at end of year		102,057				107,340				102,057	107,340	149,448
Eliminations [Member]
Net income										(438,580)	(223,347)	(198,371)
Cash flows from operating activities:
Earnings in investments in subsidiaries										438,580	223,347	198,371
Other operating cash flows										0	0	0
Net cash provided by operating activities										0	0	0
Cash flows from investing activities:
Capital expenditures										0	0	0
Acquisitions, net of cash acquired										0	0	0
Investment in unconsolidated subsidiary										14,945	12,754	15,582
Note receivable from affiliates										0	0	0
Gross proceeds from sale of property, plant and equipment and other assets										0	0	0
Proceeds from insurance settlement										0	0	0
Payments related to routes and other intangibles										0	0	0
Net cash used in investing activities										14,945	12,754	15,582
Cash flows from financing activities:
Proceeds from long-term debt										0	0	0
Payments on long-term debt										0	0	0
Borrowings from revolving credit facility										0	0	0
Payments on revolving credit facility										0	0	0
Net cash overdraft financing										0	0	0
Deferred loan costs										0	0	0
Issuance of common stock										0	0	0
Repurchase of common stock											0	0
Contributions from parent										(14,945)	(12,754)	(15,582)
Minimum withholding taxes paid on stock awards										0	0	0
Deductions of noncontrolling interest										0		0
Distributions to noncontrolling interests										0	0	0
Net cash used in financing activities										(14,945)	(12,754)	(15,582)
Effect of exchange rate changes on cash flows										0	0	0
Net increase/(decrease) in cash and cash equivalents										0	0	0
Cash and cash equivalents at beginning of year					$ 0				$ 0	0	0	0
Cash and cash equivalents at end of year		$ 0				$ 0				$ 0	$ 0	$ 0

[1] Excludes immaterial capital assets acquired by acquisition in fiscal 2017, fiscal 2016 and fiscal 2015.