Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Accounting for Stock-based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Apr. 04, 2018	Mar. 31, 2021	Mar. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated share-based compensation expense		$ 6.1	$ 5.1
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		77,457
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value		$ 88.96
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized		$ 14.5
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition		2 years
Cash Settled RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		48,713
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value		$ 88.96
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized		$ 11.1
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition		2 years
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		35,318
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period, weighted average grant date fair value		$ 95.72
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized		$ 5.1
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition		1 year 8 months 12 days
Omnibus Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares grants	1,600,000	40,259
Share-based compensation arrangement by share-based payment award, number of additional awards		0
Share-based compensation arrangement by share-based payment award, number of shares available for grant		1,002,283