Summary of Accounting Policies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Summary Of Accounting Policies [Line Items]
Franchise fee	$ 12.7	$ 12.1	$ 11.9
Research and engineering costs	49.3	52.4	48.4
Capitalized software development costs	14.9	19.0	19.0
Amortization of capitalized software development costs	14.0	13.6	14.9
Unamortized capitalized software development costs	50.4	50.2
Shipping and handling charges related to manufacturing activities	39.0	40.3	37.9
Shipping and handling charges	78.5	78.5	72.7
Advertising and promotion expenses	54.9	51.4	49.9
Foreign exchange loss	$ 2.7	$ 1.5	$ 4.4
Dilutive shares	1,016,969	921,050	881,381
Number of anti-dilutive awards outstanding	1,600	0	0
Cash and cash equivalents	$ 92.8	$ 132.9	$ 217.6	$ 214.5
Unconsolidated Affiliates [Member]
Summary Of Accounting Policies [Line Items]
Investments in unconsolidated affiliates	13.3	13.3
Purchases from unconsolidated affiliates	$ 13.4	15.6	$ 16.0
Money Market Funds [Member]
Summary Of Accounting Policies [Line Items]
Cash and cash equivalents		$ 2.5
Finance Receivables [Member]
Summary Of Accounting Policies [Line Items]
Days past due, finance receivables assessed for charge-off	120 days
Contract Receivables Related To Equipment Leases [Member]
Summary Of Accounting Policies [Line Items]
Days past due, receivables charged-off	150 days
Minimum [Member]
Summary Of Accounting Policies [Line Items]
Revenue recognition, length, in months	12 months
Minimum [Member] | Unconsolidated Affiliates [Member]
Summary Of Accounting Policies [Line Items]
Percentage of ownership interest under equity method accounting	20.00%
Maximum [Member]
Summary Of Accounting Policies [Line Items]
Revenue recognition, length, in months	60 months
Days, past due, customer bankruptcies charged-off for finance and contract receivables	180 days
Maximum [Member] | Unconsolidated Affiliates [Member]
Summary Of Accounting Policies [Line Items]
Percentage of ownership interest under equity method accounting	50.00%
Maximum [Member] | Finance Receivables [Member]
Summary Of Accounting Policies [Line Items]
Days past due, receivables charged-off	60 days
Maximum [Member] | Contract Receivables Related To Franchise Finance [Member]
Summary Of Accounting Policies [Line Items]
Days past due, receivables charged-off	180 days