Acquisition - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018	Nov. 30, 2018
Business Acquisition [Line Items]
Goodwill	$ 585.7	$ 585.5
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
Preliminary Measurement Period Adjustments | Bags
Business Acquisition [Line Items]
Cash and cash equivalents	0.0
Notes and accounts receivable	0.0
Prepaid expenses and other	0.0
Advances and deposits	0.0
Leasehold improvements, equipment and construction in progress, net	0.0
Other intangible assets, net	0.0
Goodwill	0.1
Accounts payable	0.0
Accrued expenses	(0.1)
Other long-term liabilities	0.0
Net assets acquired and liabilities assumed	$ 0.0
As Adjusted November 30, 2018 | 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			154.2
Accounts payable			(6.5)
Accrued expenses			(4.2)
Other long-term liabilities			(0.7)
Net assets acquired and liabilities assumed			$ 283.6