Financial Instruments - Fair Values of Financial Instruments not Approximating Carrying Values in Financial Statements (Detail) (USD $) In Millions, unless otherwise specified	Sep. 27, 2014	Dec. 28, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt and notes payable and current maturities of long-term debt	$ 919.2	$ 972.0
Carrying Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables - net	1,036.4	935.2
Contract receivables - net	313.9	285.5
Long-term debt and notes payable and current maturities of long-term debt	919.2	972.0
Fair Value [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables - net	1,194.7	1,084.1
Contract receivables - net	360.3	326.7
Long-term debt and notes payable and current maturities of long-term debt	$ 1,028.2	$ 1,078.9