Other (Income) Expense, net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Significant components of Other (Income) Expense, net
Other (income) expense, net	$ (0.8)	$ 0.7	$ 4.7
Investment income from life insurance policies
Significant components of Other (Income) Expense, net
Other (income) expense, net	(74.3)	(67.4)	(66.4)
Interest expense on life insurance policy loans
Significant components of Other (Income) Expense, net
Other (income) expense, net	73.9	70.1	66.5
Life insurance policy cost of insurance
Significant components of Other (Income) Expense, net
Other (income) expense, net	12.8	12.1	11.5
Income from life insurance policy redemptions
Significant components of Other (Income) Expense, net
Other (income) expense, net	(7.8)	(10.3)	(8.5)
Foreign currency transaction losses (gains)
Significant components of Other (Income) Expense, net
Other (income) expense, net	4.1	(0.6)	4.9
Net periodic benefit cost - components other than service cost
Significant components of Other (Income) Expense, net
Other (income) expense, net	2.3	2.1	6.9
Other, net
Significant components of Other (Income) Expense, net
Other (income) expense, net	$ (11.8)	$ (5.3)	$ (10.2)