Income Taxes - Impact From the Singapore Tax Concession (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Increase (Decrease) Foreign Income Taxes Tax Concession [Line Items]
Income Tax Concession, Impact On Foreign Income Tax Expense (Benefit)	$ (2.1)	$ (3.3)	$ (1.1)
Impact on basic earnings per share (in dollars per share)	$ (0.03)	$ (0.05)	$ (0.02)
Impact on diluted earnings per share (in dollars per share)	$ (0.03)	$ (0.05)	$ (0.02)

Income Tax Concession, Impact On Foreign Income Tax Expense (Benefit)

No definition available.

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Namespace Prefix:	wkc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration