Quarterly Financial Information (Unaudited) (Schedule Of Quarterly Financial Information (Unaudited)) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Information (Unaudited) [Abstract]
Net sales	$ 2,321.0	$ 2,313.4	$ 2,232.4	$ 1,900.5	$ 1,851.6	$ 1,877.9	$ 1,763.0	$ 1,773.2	$ 8,767.3	$ 7,265.7	$ 7,523.9
Gross margin	469.1	436.4	422.8	360.9	340.6	355.2	333.3	340.4	1,689.2	1,369.5	1,429.0
Net income (loss) attributable to the Company	$ 60.8	$ 74.3	$ 80.1	$ 47.2	$ 28.8	$ 34.5	$ 37.1	$ 21.4	$ 262.4	$ 121.8	$ 144.5
Net income (loss) attributable to the Company per share of common stock (usd per share)	$ 2.66	$ 3.27	$ 3.51	$ 2.07	$ 1.28	$ 1.52	$ 1.64	$ 0.94	$ 11.51	$ 5.38	$ 6.41
Common stock dividend declared, percent											5.00%
Average common shares outstanding by quarter									22,793,934	22,642,057	22,555,240