Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2023	Apr. 18, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Increase (decrease) in stock-based compensation from change in management's estimate	$ 694
Unrecognized compensation cost	111,182
Total intrinsic value of options exercised	6,564
Aggregate intrinsic value of options exercisable	$ 57,295
Market value of Company's common stock (in USD per share)	$ 57.55
Weighted average exercise price per share (in USD per share)	$ 52.97
Total options outstanding (in shares)	18,001
Total options exercisable (in shares)	8,599
Common Stock Buyback
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased and retired (in shares)	1,361
Company purchased, cost	$ 80,332
Remaining stock repurchase authorization amount	$ 12,516
Common Stock Buyback \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining stock repurchase authorization amount		$ 262,516
Additional authorized amount		$ 250,000
2014 Plan \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	50.00%
2014 Plan \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate	50.00%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award waiting period	2 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award waiting period	4 years

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