Accrued Liabilities and Other Long-Term Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Schedule of Accrued Liabilities and Other Long-Term Liabilities [Line Items]
Multiemployer pension plans – withdrawal liability	$ 45.8
Restructuring liabilities	29.3	$ 27.8
Accrued Liabilities
Schedule of Accrued Liabilities and Other Long-Term Liabilities [Line Items]
Employee-related liabilities	116.7	122.4
Single employer pension plan obligations	1.7	1.7
Multiemployer pension plans – withdrawal liability	8.8	8.4
Tax-related liabilities	29.2	29.5
Restructuring liabilities	22.5	23.1
Interest and rent liabilities	9.8	6.0
Other	88.6	94.0
Total	277.3	285.1
Other Long-Term Liabilities
Schedule of Accrued Liabilities and Other Long-Term Liabilities [Line Items]
Employee-related liabilities	57.7	62.8
Single employer pension plan obligations	72.1	80.9
Multiemployer pension plans – withdrawal liability	37.0	42.5
Tax-related liabilities	4.1	8.1
Restructuring liabilities	4.8	2.9
Interest and rent liabilities	0.3	1.4
Other	31.2	33.2
Total	207.2	231.8
Total
Schedule of Accrued Liabilities and Other Long-Term Liabilities [Line Items]
Employee-related liabilities	174.4	185.2
Single employer pension plan obligations	73.8	82.6
Multiemployer pension plans – withdrawal liability	45.8	50.9
Tax-related liabilities	33.3	37.6
Restructuring liabilities	27.3	26.0
Interest and rent liabilities	10.1	7.4
Other	119.8	127.2
Total	$ 484.5	$ 516.9