Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2020	Dec. 31, 2019
Deferred Income Tax Liabilities, Net	$ 162.3	$ 168.2
Allowances for accounts receivable	$ 17.1	$ 18.1
Company common shares shares authorized	200,000,000	200,000,000
Common shares, shares issued	98,375,135	98,375,135
Treasury shares	23,018,947	22,836,180
Preferred Class A [Member]
Preferred stock, shares authorized (Class I & Class II Preferred stock)	10,000,000	10,000,000
Preferred Class B [Member]
Preferred stock, shares authorized (Class I & Class II Preferred stock)	10,000,000	10,000,000