Financial Guarantees (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 29, 2012
Guarantor Obligations [Line Items]
Guarantee Obligations Maximum Potential Payment	115.1
Guarantee Liability Carrying Amount	13.1
Guarantees on the residual values of leased properties
Guarantor Obligations [Line Items]
Guarantee Obligations Maximum Potential Payment	26.8
Guarantee Liability Carrying Amount	0
Guarantees on the residual values of leased properties | Minimum
Guarantor Obligations [Line Items]
Guarantee Obligation Term	1 year
Guarantees on the residual values of leased properties | Maximum
Guarantor Obligations [Line Items]
Guarantee Obligation Term	4 years
Standby letters of credit
Guarantor Obligations [Line Items]
Guarantee Obligations Maximum Potential Payment	70.9
Guarantee Liability Carrying Amount	0
Standby letters of credit | Maximum
Guarantor Obligations [Line Items]
Guarantee Obligation Term	3 years
Commercial customer financing arrangements
Guarantor Obligations [Line Items]
Guarantee Obligations Maximum Potential Payment	17.4
Guarantee Liability Carrying Amount	13.1
Commercial customer financing arrangements | Maximum
Guarantor Obligations [Line Items]
Guarantee Obligation Term	6 years