Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 28, 2018	Dec. 28, 2018	Dec. 29, 2017	Dec. 30, 2016	Jan. 01, 2018
Significant Accounting Policies [Line Items]
Other accounts receivable, value added taxes receivable current		$ 29.9	$ 24.6
Other accounts receivable, allowance for value added tax receivable current		0.5	0.9
Other accounts receivable, value added taxes receivable noncurrent		21.5	23.6
Other accounts receivable, allowance for value added tax receivable noncurrent		$ 9.2	11.2
Ownership interest		20.00%
Useful life		21 years 6 months 24 days
Amortization expense for definite-lived intangible assets		$ 7.0	0.8	$ 0.8
Asset impairment charges		35.1	3.7	6.0
Advertising and promotional costs		15.2	12.8	17.2
Amortization of debt issuance costs		0.7	0.5	0.5
Foreign exchange loss		10.4	2.0	2.2
Excess tax benefit reclassified from financing activities		(242.0)	53.8	$ 205.4
Deferred income taxes		68.1	59.1
Retained earnings		$ 1,206.0	$ 1,275.0
Minimum | Buildings
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		10 years
Minimum | Maritime and other equipment, including ships and containers
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		5 years
Minimum | Machinery and equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		3 years
Minimum | Furniture, fixtures and office equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		3 years
Minimum | Automotive equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		5 years
Maximum | Buildings
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		40 years
Maximum | Maritime and other equipment, including ships and containers
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		20 years
Maximum | Machinery and equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		20 years
Maximum | Furniture, fixtures and office equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		7 years
Maximum | Automotive equipment
Significant Accounting Policies [Line Items]
Property, plant and equipment, minimum estimated useful lives (in years)		10 years
Accounts Receivable
Significant Accounting Policies [Line Items]
Percent of trade accounts receivable		10.00%
Accounting Standards Update 2016-16
Significant Accounting Policies [Line Items]
Deferred income taxes					$ 3.2
Retained Earnings | Accounting Standards Update 2016-16
Significant Accounting Policies [Line Items]
Cumulative effect of new accounting principle in period of adoption					(3.2)
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09
Significant Accounting Policies [Line Items]
Retained earnings					$ 0.1
United Kingdom
Significant Accounting Policies [Line Items]
Sale of surplus land	$ 6.4