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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions - Additional Information (Details) $ in Millions			3 Months Ended								12 Months Ended
	Apr. 28, 2017 USD ($)	Dec. 21, 2016 USD ($)	Dec. 31, 2018 USD ($) country	Sep. 29, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jul. 01, 2017 USD ($)	Apr. 01, 2017 USD ($)	Dec. 31, 2018 USD ($) country	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Annual sales			$ 4,942.4	$ 4,891.6	$ 5,580.8	$ 5,733.7	$ 5,363.8	$ 4,981.5	$ 5,123.2	$ 4,998.5	$ 21,148.5	$ 20,467.0	$ 18,557.6
Cash paid											$ 0.0	292.4	$ 155.9
Antolin Seating
Business Acquisition [Line Items]
Net purchase price	$ 292.4
Transaction costs												3.0
Intangible assets acquired, weighted average useful life											15 years
AccuMED
Business Acquisition [Line Items]
Percentage of outstanding equity interests acquired		100.00%
Cash paid		$ 148.5
Antolin Seating
Business Acquisition [Line Items]
Number of countries in which entity operates \| country			5								5
Annual sales												$ 485.0