Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Cash Flows [Abstract]
Net earnings	$ 126,600,000	$ 57,500,000
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	43,100,000	32,700,000
Share-based incentive compensation	8,900,000	8,400,000
Profit sharing expense	6,000,000.0	5,500,000
Provisions for bad debt	1,100,000	800,000
Provisions for inventory obsolescence	1,800,000	2,100,000
Deferred taxes, net	3,500,000	1,700,000
Net (gain) loss on sale of business	(12,200,000)	6,800,000
Other non-cash items	2,800,000	20,000,000.0
Changes in operating assets and liabilities:
Trade receivables, net	(33,600,000)	18,200,000
Inventories, net	(27,600,000)	(54,000,000.0)
Accounts payable	300,000	5,100,000
Income tax receivable/payable	23,100,000	12,900,000
Other assets and liabilities	(102,800,000)	(52,600,000)
Net cash provided by operating activities	41,000,000.0	65,100,000
Cash flows from investing activities:
Capital expenditures	(48,700,000)	(49,400,000)
Receipts (payments) associated with sale of business and property and equipment	9,300,000	(3,100,000)
Business acquired, net of cash acquired	0	(1,200,000)
Investment in marketable securities	12,200,000	0
Settlement of foreign currency forward contracts	2,500,000	(3,500,000)
Net cash used in investing activities	(24,700,000)	(57,200,000)
Cash flows from financing activities:
Net proceeds from short-term borrowings	69,400,000	21,300,000
Dividends paid on common stock	(25,700,000)	(25,000,000.0)
Impact of tax withholding on share-based compensation	(11,200,000)	(10,300,000)
Repurchases of common stock	0	(17,700,000)
Principal payments related to financing leases	(3,000,000.0)	(2,300,000)
Net cash provided by (used in) financing activities	29,500,000	(34,000,000.0)
Effect of foreign currency exchange rate changes on cash and cash equivalents	(33,600,000)	(9,600,000)
Cash and cash equivalents	262,400,000	271,700,000
Restricted cash and cash equivalents	0	0
Balance, beginning of period	262,400,000	271,700,000
Net change during the period	12,200,000	(35,700,000)
Cash and cash equivalents	274,600,000	236,000,000.0
Restricted cash and cash equivalents	0	0
Balance, end of period	274,600,000	236,000,000.0
Supplemental Cash Flow Information:
Interest payments, net of amounts capitalized	50,000,000.0	43,000,000.0
Income tax payments, net of cash refunds	15,900,000	12,700,000
Restructuring payments including associated costs	25,700,000	24,700,000
Non-cash items:
Transfers of shares of common stock from treasury for profit-sharing contributions	$ 24,400,000	$ 21,900,000