Consolidated Statements of Stockholders' Equity (Deficit) - USD ($) $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Common Stock in Treasury	Accumulated Other Comprehensive Loss, Net of Taxes
Beginning Balance at Dec. 31, 2015	$ 527.1	$ 22.6	$ 1,915.0	$ 675.2	$ (1,265.7)	$ (820.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of share-based incentive compensation	29.4	0.2	59.9		(30.7)
Stock issued for profit sharing contribution paid in stock	37.4		2.1		35.3
Repurchases of common stock	(217.0)				(217.0)
Unrecognized pension items, net of taxes	(10.7)					(10.7)
Foreign currency translation adjustments	(137.9)					(137.9)
Unrealized gain (loss) on derivative instruments, net of taxes	19.5					19.5
Settlement share transfer and excess tax benefit	(2.9)		(2.9)
Net earnings	486.4			486.4
Dividends on common stock	(121.6)			(121.6)
Ending Balance at Dec. 31, 2016	609.7	22.8	1,974.1	1,040.0	(1,478.1)	(949.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of share-based incentive compensation	23.0	0.2	45.0	0.0	(22.2)	0.0
Stock issued for profit sharing contribution paid in stock	22.3	0.0	0.5		21.8
Repurchases of common stock	(1,302.1)		(80.0)		(1,222.1)
Unrecognized pension items, net of taxes	173.3					173.3
Foreign currency translation adjustments	7.5					7.5
Unrealized gain (loss) on derivative instruments, net of taxes	(76.6)					(76.6)
Net earnings	814.9			814.9
Dividends on common stock	(119.7)			(119.7)
Ending Balance at Dec. 31, 2017	152.3	23.0	1,939.6	1,735.2	(2,700.6)	(844.9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Effect of share-based incentive compensation	21.4	0.2	29.2	0.0	(8.0)	0.0
Stock issued for profit sharing contribution paid in stock	24.6		0.8		23.8
Repurchases of common stock	(571.7)		80.0		(651.7)	0.0
Unrecognized pension items, net of taxes	(29.4)					(29.4)
Foreign currency translation adjustments	(50.4)					(50.4)
Unrealized gain (loss) on derivative instruments, net of taxes	17.7					17.7
Net earnings	193.1			193.1
Dividends on common stock	(102.8)			(102.8)
Ending Balance at Dec. 31, 2018	$ (348.6)	$ 23.2	$ 2,049.6	$ 1,835.5	$ (3,336.5)	$ (920.4)