Acquisitions (Details) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($) acquisition
Business Acquisition [Line Items]
Bargain purchase price gain	$ 0.0		$ 0.0	$ 0.6	$ 0.0
Operating lease assets	115.3			115.3		$ 118.2
Goodwill	1,034.8			1,034.8		$ 1,047.6
Aurora
Business Acquisition [Line Items]
Revenue reported by acquired entity		$ 30.0
2020 Acquisitions
Business Acquisition [Line Items]
Number of acquisitions | acquisition						1
Consideration transferred		17.2
Bargain purchase price gain				11.7
Accounts receivable, net	2.7			2.7
Inventories, net	16.4			16.4
Other current assets	0.2			0.2
Property, plant and equipment, net	10.9			10.9
Total assets acquired	30.2			30.2
Accounts payable, trade	0.8			0.8
Total liabilities assumed	1.3			1.3
Net assets acquired	28.9			28.9
2020 Acquisitions | Previously Reported
Business Acquisition [Line Items]
Accounts receivable, net	2.7			2.7
Inventories, net	16.4			16.4
Other current assets	0.1			0.1
Property, plant and equipment, net	10.9			10.9
Total assets acquired	30.1			30.1
Accounts payable, trade	0.8			0.8
Total liabilities assumed	1.7			1.7
Net assets acquired	28.4			28.4
2020 Acquisitions | Revision of Prior Period, Adjustment
Business Acquisition [Line Items]
Accounts receivable, net	0.0			0.0
Inventories, net	0.0			0.0
Other current assets	0.1			0.1
Property, plant and equipment, net	0.0			0.0
Total assets acquired	0.1			0.1
Accounts payable, trade	0.0			0.0
Total liabilities assumed	(0.4)			(0.4)
Net assets acquired	0.5	$ 0.6		0.5
2020 Acquisitions | Other current liabilities
Business Acquisition [Line Items]
Other current liabilities	0.5			0.5
2020 Acquisitions | Other current liabilities | Previously Reported
Business Acquisition [Line Items]
Other current liabilities	0.9			0.9
2020 Acquisitions | Other current liabilities | Revision of Prior Period, Adjustment
Business Acquisition [Line Items]
Other current liabilities	$ (0.4)			$ (0.4)