XML 32 R46.htm IDEA: XBRL DOCUMENT v2.4.1.9
Receivables - Components of Current Finance and Contract Receivables (Parenthetical) (Detail) (USD $)
In Millions, unless otherwise specified
Apr. 04, 2015
Jan. 03, 2015
Receivables [Abstract]    
Unearned finance charges, finance receivables $ 15.2sna_DeferredDiscountsFinanceChargesAndInterestIncludedInNotesAndLoansReceivableCurrent $ 15.6sna_DeferredDiscountsFinanceChargesAndInterestIncludedInNotesAndLoansReceivableCurrent
Unearned finance charges, contract receivable $ 14.0sna_DeferredDiscountsFinanceChargesAndInterestIncludedInContractReceivablesCurrent $ 13.9sna_DeferredDiscountsFinanceChargesAndInterestIncludedInContractReceivablesCurrent