Share-based Payments (Narrative) (Details)			1 Months Ended		12 Months Ended
	Jun. 15, 2023	Mar. 20, 2023 USD ($) shares	Aug. 31, 2023 shares	Jun. 30, 2022	Dec. 31, 2023 USD ($) purchasePeriod offering $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	May 09, 2023 shares	May 08, 2023 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment expense					$ 57,500,000	$ 44,500,000	$ 33,900,000
Maximum contribution					$ 25,000
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining shares authorized for grant (in shares) | shares					8,511,523	3,919,069
Number of options assumed in acquisition (in shares) | shares					187,727
Award vesting period					3 years
Award term					10 years
Weighted average grant date fair value of options granted (usd per share) | $ / shares					$ 17.63	$ 14.35	$ 12.72
Unrecognized compensation costs					$ 4,200,000
Unrecognized compensation costs, period for recognition					1 year 3 months 18 days
Proceeds from exercise of employee stock options					$ 34,500,000	$ 5,900,000	$ 16,300,000
Actual tax benefit realized from option exercise					$ 800,000	$ 400,000	$ 1,800,000
Stock options granted (in shares) | shares					262,725	710,847	758,256
Premium-priced stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options assumed in acquisition (in shares) | shares					0
Unrecognized compensation costs					$ 1,200,000
Unrecognized compensation costs, period for recognition					9 months 18 days
Stock options granted (in shares) | shares					0	119,157	1,017,064
Weighted average estimated grant date fair value (usd per share) | $ / shares						$ 8.00
Performance Shares | Equity-classified awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs assumed in acquisition (in shares) | shares			159,475		0
Senior Executive PSU Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period			3 years
Performance Share Units With Market Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value of options granted (usd per share) | $ / shares					$ 85.33	$ 69.92
Unrecognized compensation costs					$ 5,300,000
Unrecognized compensation costs, period for recognition					2 years 1 month 6 days
Performance period				2 years	3 years
Award holding period						1 year
Discount value | $ / shares						$ 5.34
Effective tax rate						35.00%
Performance Share Units With Market Conditions | Equity-classified awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs assumed in acquisition (in shares) | shares					0
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs					$ 14,300,000
Unrecognized compensation costs, period for recognition					1 year 4 months 24 days
Restricted Stock Units (RSUs) | Equity-classified awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of RSUs assumed in acquisition (in shares) | shares					366,379
Deferred Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs					$ 0
Share unit liability					7,600,000	$ 6,300,000
Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment expense					$ 4,700,000
Weighted average grant date fair value of options granted (usd per share) | $ / shares					$ 12.43
Purchase of shares in company	85.00%
Number of ESPP offerings | offering					2
Number of ESPP purchase periods | purchasePeriod					2
Fair value, grant date (usd per share) | $ / shares					$ 11.99
Payroll withholding liability					$ 1,800,000
IAA
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options assumed in acquisition (in shares) | shares		187,727
Number of RSUs assumed in acquisition (in shares) | shares		366,379
Estimated aggregate fair value of converted share-based awards		$ 24,900,000
Share-based payment expense		4,800,000
IAA | Non-employee directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment expense		300,000
IAA | Former executives
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment expense		$ 4,300,000
IAA | Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average share price of options assumed (usd per share) | $ / shares					$ 15.52
2023 Share Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining shares authorized for grant (in shares) | shares									9,355,000
PSU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value of shares vested and released					$ 1,800,000	$ 4,900,000	$ 0
Senior Executive PSU Plan | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs					$ 7,600,000
Unrecognized compensation costs, period for recognition					1 year 9 months 18 days
2023 ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining shares authorized for grant (in shares) | shares					2,819,497			3,000,000
Share issued under ESPP (in shares) | shares					180,503
2023 ESPP | Employee Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market price discount	15.00%