Financial Assets and Liabilities that are Measured At Fair Value and are Categorized Using Fair Value Hierarchy (Detail) - Fair Value, Measurements, Recurring - USD ($)	Apr. 03, 2021	Jan. 02, 2021
Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Assets	$ 3,014,000
Financial Liabilities	37,368,000	$ 51,093,000
Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	25,801,000	25,558,000
Foreign Exchange Forward
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	750,000	2,191,000
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Assets	0
Financial Liabilities	0	0
Fair Value, Inputs, Level 1 [Member] | Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	0	0
Fair Value, Inputs, Level 1 [Member] | Foreign Exchange Forward
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	0	0
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Assets	3,014,000
Financial Liabilities	37,368,000	51,093,000
Fair Value, Inputs, Level 2 [Member] | Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	0	0
Fair Value, Inputs, Level 2 [Member] | Foreign Exchange Forward
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	750,000	2,191,000
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Assets	0
Financial Liabilities	0	0
Fair Value, Inputs, Level 3 [Member] | Contingent Consideration
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	25,801,000	25,558,000
Fair Value, Inputs, Level 3 [Member] | Foreign Exchange Forward
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items]
Financial Liabilities	$ 0	$ 0