Financial Instruments and Fair Value Measurements - Schedule of Carrying and Fair Values by Balance Sheet Grouping (Details) - USD ($) $ in Millions		Jun. 30, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including current portion	[1]	$ 1,878.2	$ 1,880.0
Other installment financing arrangements		44.1	44.6
Estimate of Fair Value, Fair Value Disclosure [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt, including current portion	[1]	1,744.5	1,673.6
Other installment financing arrangements		$ 43.7	$ 43.6

[1] Excludes capital leases, other financing arrangements and note issuance costs.