Financial Instruments (Details) - Mar. 31, 2021 $ in Millions, $ in Millions, $ in Millions	CAD ($)	USD ($)	AUD ($)
Foreign Exchange Contracts, Canadian
Foreign exchange contracts outstanding	$ 5.0	$ 3.9
Foreign Exchange Contracts Australian
Foreign exchange contracts outstanding		$ 2.8	$ 3.7

Amount the entity is obligated or for which it has the option to buy or sell the foreign currency contract.

No definition available.

Name:	us-gaap_InvestmentOwnedForeignCurrencyContractReportingCurrencyAmountCurrentValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant