Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Nov. 30, 2018	Dec. 31, 2017
Business Acquisition [Line Items]
Goodwill	$ 586.0	$ 585.5		$ 431.7
Bags
Business Acquisition [Line Items]
Cash and cash equivalents			$ 5.9
Notes and accounts receivable			13.2
Prepaid expenses and other			2.0
Advances and deposits			0.2
Leasehold improvements, equipment and construction in progress, net			1.5
Other intangible assets, net			118.0
Goodwill			154.4
Accounts payable			(6.5)
Accrued expenses			(4.4)
Other long-term liabilities			(0.7)
Net assets acquired and liabilities assumed			283.6
Measurement Period Adjustments | Bags
Business Acquisition [Line Items]
Cash and cash equivalents			5.9
Notes and accounts receivable			13.2
Prepaid expenses and other			2.0
Advances and deposits			0.2
Leasehold improvements, equipment and construction in progress, net			1.5
Other intangible assets, net			118.0
Goodwill			154.1
Accounts payable			(6.5)
Accrued expenses			(4.1)
Other long-term liabilities			(0.7)
Net assets acquired and liabilities assumed			283.6
Final | Bags
Business Acquisition [Line Items]
Goodwill			0.3
Accrued expenses			(0.3)
Net assets acquired and liabilities assumed			$ 0.0