Receivables - Schedule of Long-Term Finance and Contract Receivables (Detail) - USD ($) $ in Millions	Jan. 02, 2016	Jan. 03, 2015
Receivables [Abstract]
Finance Receivables, Due in 13 - 24	$ 361.0	$ 320.2
Finance Receivables, Due in 25 - 36	252.8	212.0
Finance Receivables, Due in 37 - 48	137.8	106.2
Finance Receivables, Due in 49 - 60	45.9	32.6
Finance Receivables, Due Thereafter	0.0	0.0
Finance Receivables, Total	797.5	671.0
Contract Receivables, Due in 13 - 24	65.1	58.7
Contract Receivables, Due in 25 - 36	56.6	50.1
Contract Receivables, Due in 37 - 48	46.5	41.7
Contract Receivables, Due in 49 - 60	35.0	31.6
Contract Receivables, Due Thereafter	66.4	62.4
Contract Receivables, Total	$ 269.6	$ 244.5