Income Taxes - Deferred Tax Assets and Liabilities Recognized in the Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Deferred tax assets:
Stock-based compensation	$ 13.9	$ 12.8
Accrued expenses and other	129.7	49.1
Net operating losses, foreign tax credits and charitable contribution carryforward	43.1	56.1
Inventories	8.2	6.0
Transaction costs	6.6	13.5
Property, plant and equipment	2.9	3.6
Total deferred tax assets	204.4	141.1
Valuation allowances	(30.0)	(43.1)
Total net deferred tax assets	174.4	98.0
Deferred tax liabilities:
Intangible assets	(156.4)	(156.8)
Property, plant and equipment	(36.9)	(30.3)
Accrued expenses and other	(69.1)	(5.8)
Total deferred tax liabilities	(262.4)	(192.9)
Net deferred tax liabilities	$ (88.0)	$ (94.9)