Common Stock and Stock-Based Awards Plans - Dividends and Share Repurchase Authorization (Narrative) (Details) - USD ($)			3 Months Ended		9 Months Ended
	Sep. 11, 2023	Sep. 12, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Feb. 19, 2020	Oct. 26, 2018	Mar. 06, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Dividends paid			$ 5,900,000	$ 5,800,000	$ 17,600,000	$ 17,400,000
Quarterly cash dividend declared	$ 0.165	$ 0.165
Repurchase of common shares program authorized amount							$ 150,000,000	$ 100,000,000	$ 250,000,000
Repurchase of common shares remaining authorized amount			$ 154,600,000		$ 154,600,000