v3.26.1

Subsequent Events (Details) - USD ($) $ in Millions	May 11, 2026	Apr. 20, 2026
Subsequent Events
Tariff refund claims submitted		$ 57.9
Proceeds from tariff refunds	$ 16.8

X

- Definition

Amount of tariff refunds received.

+ References

No definition available.

+ Details

Name:	cal_ProceedsFromTariffRefunds
Namespace Prefix:	cal_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of tariff refund claims submitted.

+ References

No definition available.

+ Details

Name:	cal_TariffRefundClaimsSubmittedAmount
Namespace Prefix:	cal_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SubsequentEventsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration