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Summary of Accounting Policies - Narrative (Detail) - USD ($) | 12 Months Ended
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Jan. 02, 2021 | Dec. 28, 2019 | Dec. 29, 2018
Summary Of Accounting Policies [Line Items] |  |  |
Research and engineering costs | $ 57,400,000 | $ 59,100,000 | $ 61,200,000
Capitalized software development costs | 12,000,000.0 | 12,600,000 | 9,700,000
Amortization of capitalized software development costs | 10,500,000 | 10,100,000 | 13,400,000
Unamortized capitalized software development costs | 44,200,000 | 42,600,000 |
Shipping and handling charges related to manufacturing activities | 53,700,000 | 56,500,000 | 53,700,000
Advertising and promotion expenses | 38,000,000.0 | 47,700,000 | 55,600,000
Foreign exchange loss | $ 3,900,000 | $ 3,600,000 | $ 3,900,000
Number of anti-dilutive awards outstanding (in shares) | 2,207,411 | 1,215,695 | 685,533
Dilutive shares (in shares) | 473,196 | 748,395 | 986,984
Cash and cash equivalents |  | $ 0 |
Days, past due, customer bankruptcies charged-off for finance and contract receivables | 180 days |  |
Unconsolidated Affiliates |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Investments in unconsolidated affiliates | $ 21,000,000.0 | 18,800,000 |
Purchases from unconsolidated affiliates | 9,300,000 | 10,400,000 | $ 11,200,000
Sales to unconsolidated affiliates | $ 500,000 | 600,000 | 800,000
Finance Receivables |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Days past due, finance receivables assessed for charge-off | 120 days |  |
Days past due, receivables charged-off | 60 days |  |
Contract Receivables Related To Equipment Leases |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Days past due, receivables charged-off | 150 days |  |
Contract Receivables Related To Franchise Finance |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Days past due, receivables charged-off | 180 days |  |
Shipping and Handling |  |  |
Summary Of Accounting Policies [Line Items] |  |  |
Shipping and handling charges | $ 94,200,000 | $ 88,700,000 | $ 84,300,000

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