Receivables - Aging of Finance and Contract Receivables (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Receivables [Abstract]
Finance receivables, 30-59 Days Past Due	$ 12.1	$ 9.8
Finance receivables, 60-90 Days Past Due	7.6	6.7
Finance receivables, Greater Than 90 Days Past Due	11.9	10.4
Finance receivables, Total Past Due	31.6	26.9
Finance receivables, Total Not Past Due	1,226.6	1,058.7
Finance receivables, Total	1,258.2	1,085.6
Finance receivables, Greater Than 90 Days Past Due and Accruing	9.1	7.7
Contract receivables, 30-59 Days Past Due	1.3	0.9
Contract receivables, 60-90 Days Past Due	0.7	0.7
Contract receivables, Greater Than 90 Days Past Due	1.3	1.1
Contract receivables, Total Past Due	3.3	2.7
Contract receivables, Total Not Past Due	349.8	317.3
Contract receivables, Total	353.1	320.0
Contract receivables, Greater Than 90 Days Past Due and Accruing	$ 0.3	$ 0.1