Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Inventories
Raw materials and supplies	$ 71.6	$ 67.1
Work-in-process	27.6	25.6
Finished goods	149.8	152.0
Total inventories	249.0	244.7
Other current assets
Contract assets	61.1	69.4
Prepaid expenses	37.0	32.5
Prepaid income taxes	15.3	9.0
Other current assets	2.4	2.4
Total other current assets	115.8	113.3
Property, plant and equipment, net
Land and land improvements	39.6	40.6
Buildings and leasehold improvements	176.1	181.6
Machinery and equipment	444.0	440.4
Construction in progress	16.6	16.5
Total property, plant and equipment	676.3	679.1
Accumulated depreciation and amortization	397.7	394.6
Total property, plant and equipment, net	278.6	284.5
Other non-current assets
Deferred compensation plan assets	13.8	17.3
Lease right-of-use assets	43.9	44.2
Deferred tax assets	30.8	40.9
Other non-current assets	32.1	15.1
Total other non-current assets	120.6	117.5
Other current liabilities
Dividends payable	29.7	29.7
Accrued rebates	31.8	44.1
Contract liabilities	14.6	13.7
Accrued taxes payable	18.9	24.8
Current lease liabilities	14.5	14.7
Other current liabilities	69.1	58.7
Total other current liabilities	178.6	185.7
Other non-current liabilities
Income taxes payable	34.5	31.9
Deferred compensation plan liabilities	13.8	17.3
Non-current lease liabilities	33.6	33.7
Other non-current liabilities	7.9	10.6
Total other non-current liabilities	$ 89.8	$ 93.5