v3.26.1
DERIVATIVE FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
6 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative, carrying amount
$ 6,000,000
$ 0
X
- Definition
Derivative Instrument, Fair Value Hedge, Carrying Amount
+ References
No definition available.
+ Details
Name:
smf_DerivativeInstrumentFairValueHedgeCarryingAmount
Namespace Prefix:
smf_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration