Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Statement of Cash Flows [Abstract]
Net earnings (loss)	$ 90.7	$ (86.2)
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities
Depreciation and amortization	66.0	65.7
Share-based incentive compensation	13.2	14.6
Profit sharing expense	10.6	10.0
Provisions for bad debt	1.7	1.0
Provisions for inventory obsolescence	4.1	0.0
Deferred taxes, net	(5.7)	50.9
Net gain on sale of business	(0.9)	(39.3)
Other non-cash items	0.7	19.0
Changes in operating assets and liabilities:
Trade receivables, net	(4.2)	(24.2)
Inventories, net	(48.2)	(92.6)
Accounts payable	(10.4)	58.7
Income tax receivable/payable	6.3	72.8
Other assets and liabilities	45.4	(13.8)
Net cash provided by operating activities	169.3	36.6
Cash flows from investing activities:
Capital expenditures	(94.5)	(73.7)
(Payments of) Proceeds from, net sale of business and property and equipment	(2.7)	8.3
Business acquired, net of cash acquired	(23.1)	0.0
Investment in cost method investments	0.0	(7.5)
Settlement of foreign currency forward contracts	(4.1)	(5.3)
Other investing activities	0.0	(2.6)
Net cash used in investing activities	(124.4)	(80.8)
Cash flows from financing activities:
Net proceeds from borrowings	29.4	105.7
Payments of debt modification/extinguishment costs	0.0	(0.4)
Dividends paid on common stock	(49.7)	(54.0)
Impact of tax withholding on share-based compensation	(10.6)	(6.1)
Repurchases of common stock	(67.3)	(407.9)
Net cash used in financing activities	(98.2)	(362.7)
Effect of foreign currency exchange rate changes on cash and cash equivalents	3.8	(7.0)
Cash and cash equivalents	271.7	594.0
Restricted cash and cash equivalents	0.0	0.0
Balance, beginning of period	271.7	594.0
Net change during the period	(49.5)	(413.9)
Cash and cash equivalents	222.2	180.1
Restricted cash and cash equivalents	0.0	0.0
Balance, end of period	222.2	180.1
Supplemental Cash Flow Information:
Interest payments, net of amounts capitalized	95.6	95.6
Income tax payments, net of cash refunds	29.4	97.1
Payments related to the sale of Diversey	0.0	32.5
Restructuring payments including associated costs	49.2	3.7
Non-cash items:
Transfers of shares of common stock from treasury for 2018 and 2017 profit-sharing contributions	$ 21.9	$ 23.8