Guarantor Financial Information (Condensed Consolidated Statements of Cash Flows) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Jan. 31, 2020	Mar. 28, 2020	Mar. 30, 2019
Cash flows from operating activities:
Net income		$ 86,091	$ 19,640
Earnings in investments in subsidiaries		0	0
Other operating cash flows		(51,545)	28,961
Net cash provided by operating activities		34,546	48,601
Cash flows from investing activities:
Capital expenditures		(61,599)	(84,269)
Acquisitions	$ (12,200)	0	(1,431)
Investment in subsidiaries and affiliates		0
Gross proceeds from disposal of property, plant and equipment and other assets		379	7,868
Proceeds from insurance settlement		0	845
Payments related to routes and other intangibles		(3,416)	(2,778)
Net cash used by investing activities		(64,636)	(79,765)
Cash flows from financing activities:
Proceeds from long-term debt		8,264	2,138
Payments on long-term debt		(8,638)	(10,974)
Borrowings from revolving credit facility		219,933	156,829
Payments on revolving credit facility		(100,782)	(138,147)
Net cash overdraft financing		(9,594)	14,525
Issuance of common stock		67	12
Repurchase of common stock		(55,044)	0
Contributions from parent		0
Minimum withholding taxes paid on stock awards		(4,328)	(3,190)
Acquisition of noncontrolling interest		(8,784)
Distributions to noncontrolling interests		(688)	0
Net cash provided by financing activities		40,406	21,193
Effect of exchange rate changes on cash		(6,916)	(1,575)
Net increase (decrease) in cash, cash equivalents and restricted cash		3,400	(11,546)
Cash, cash equivalents and restricted cash at beginning of period		73,045	107,369
Cash, cash equivalents and restricted cash at end of period		76,445	95,823
Parent [Member]
Cash flows from operating activities:
Net income		86,091	19,640
Earnings in investments in subsidiaries		(121,939)	(54,627)
Other operating cash flows		19,102	52,135
Net cash provided by operating activities		(16,746)	17,148
Cash flows from investing activities:
Capital expenditures		(14,829)	(34,303)
Acquisitions			(1,157)
Investment in subsidiaries and affiliates		(13,534)
Gross proceeds from disposal of property, plant and equipment and other assets		87	132
Proceeds from insurance settlement			0
Payments related to routes and other intangibles		(3,416)	0
Net cash used by investing activities		(31,692)	(35,328)
Cash flows from financing activities:
Proceeds from long-term debt		0	0
Payments on long-term debt		(1)	0
Borrowings from revolving credit facility		176,000	50,000
Payments on revolving credit facility		(71,000)	(37,000)
Net cash overdraft financing		3,084	8,350
Issuance of common stock		67	12
Repurchase of common stock		(55,044)
Contributions from parent		0
Minimum withholding taxes paid on stock awards		(4,316)	(3,190)
Acquisition of noncontrolling interest		0
Distributions to noncontrolling interests		0
Net cash provided by financing activities		48,790	18,172
Effect of exchange rate changes on cash		0	0
Net increase (decrease) in cash, cash equivalents and restricted cash		352	(8)
Cash, cash equivalents and restricted cash at beginning of period		654	1,098
Cash, cash equivalents and restricted cash at end of period		1,006	1,090
Guarantors [Member]
Cash flows from operating activities:
Net income		20,112	18,521
Earnings in investments in subsidiaries		0	0
Other operating cash flows		(3,545)	(2,881)
Net cash provided by operating activities		16,567	15,640
Cash flows from investing activities:
Capital expenditures		(16,695)	(23,498)
Acquisitions			0
Investment in subsidiaries and affiliates		0
Gross proceeds from disposal of property, plant and equipment and other assets		129	7,016
Proceeds from insurance settlement			845
Payments related to routes and other intangibles		0	0
Net cash used by investing activities		(16,566)	(15,637)
Cash flows from financing activities:
Proceeds from long-term debt		0	0
Payments on long-term debt		(2)	(2)
Borrowings from revolving credit facility		0	0
Payments on revolving credit facility		0	0
Net cash overdraft financing		0	0
Issuance of common stock		0	0
Repurchase of common stock		0
Contributions from parent		0
Minimum withholding taxes paid on stock awards		0	0
Acquisition of noncontrolling interest		0
Distributions to noncontrolling interests		0
Net cash provided by financing activities		(2)	(2)
Effect of exchange rate changes on cash		0	0
Net increase (decrease) in cash, cash equivalents and restricted cash		(1)	1
Cash, cash equivalents and restricted cash at beginning of period		26	32
Cash, cash equivalents and restricted cash at end of period		25	33
Non-guarantors [Member]
Cash flows from operating activities:
Net income		101,827	36,106
Earnings in investments in subsidiaries		0	0
Other operating cash flows		(67,102)	(20,293)
Net cash provided by operating activities		34,725	15,813
Cash flows from investing activities:
Capital expenditures		(30,075)	(26,468)
Acquisitions			(274)
Investment in subsidiaries and affiliates		0
Gross proceeds from disposal of property, plant and equipment and other assets		163	720
Proceeds from insurance settlement			0
Payments related to routes and other intangibles		0	(2,778)
Net cash used by investing activities		(29,912)	(28,800)
Cash flows from financing activities:
Proceeds from long-term debt		8,264	2,138
Payments on long-term debt		(8,635)	(10,972)
Borrowings from revolving credit facility		43,933	106,829
Payments on revolving credit facility		(29,782)	(101,147)
Net cash overdraft financing		(12,678)	6,175
Issuance of common stock		0	0
Repurchase of common stock		0
Contributions from parent		13,534
Minimum withholding taxes paid on stock awards		(12)	0
Acquisition of noncontrolling interest		(8,784)
Distributions to noncontrolling interests		(688)
Net cash provided by financing activities		5,152	3,023
Effect of exchange rate changes on cash		(6,916)	(1,575)
Net increase (decrease) in cash, cash equivalents and restricted cash		3,049	(11,539)
Cash, cash equivalents and restricted cash at beginning of period		72,365	106,239
Cash, cash equivalents and restricted cash at end of period		75,414	94,700
Eliminations [Member]
Cash flows from operating activities:
Net income		(121,939)	(54,627)
Earnings in investments in subsidiaries		121,939	54,627
Other operating cash flows		0	0
Net cash provided by operating activities		0	0
Cash flows from investing activities:
Capital expenditures		0	0
Acquisitions			0
Investment in subsidiaries and affiliates		13,534
Gross proceeds from disposal of property, plant and equipment and other assets		0	0
Proceeds from insurance settlement			0
Payments related to routes and other intangibles		0	0
Net cash used by investing activities		13,534	0
Cash flows from financing activities:
Proceeds from long-term debt		0	0
Payments on long-term debt		0	0
Borrowings from revolving credit facility		0	0
Payments on revolving credit facility		0	0
Net cash overdraft financing		0	0
Issuance of common stock		0	0
Repurchase of common stock		0
Contributions from parent		(13,534)
Minimum withholding taxes paid on stock awards		0	0
Acquisition of noncontrolling interest		0
Distributions to noncontrolling interests		0
Net cash provided by financing activities		(13,534)	0
Effect of exchange rate changes on cash		0	0
Net increase (decrease) in cash, cash equivalents and restricted cash		0	0
Cash, cash equivalents and restricted cash at beginning of period		0	0
Cash, cash equivalents and restricted cash at end of period		$ 0	$ 0