Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivable	$ 6.3	$ 7.1
Accumulated depreciation and amortization	$ 821.5	$ 790.4
Common Stock, No Par Value (in dollars per share)	$ 0	$ 0
Common Stock, Shares Authorized (in shares)	200,000,000	200,000,000
Common Stock, Shares, Outstanding (in shares)	41,506,582	42,869,380
Treasury Stock, Common, Shares	13,455,133	12,010,630