Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)		Apr. 01, 2022	Dec. 31, 2021
Assets
Trading securities held in deferred compensation plan		$ 114,953,000	$ 109,342,000
Total		166,535,000	210,923,000
Liabilities
Deferred compensation plan	[1]	116,260,000	110,379,000
Total		116,260,000	110,379,000
Money market securities
Assets
Money market securities	[2]	51,582,000	101,581,000
Fixed Income Securities
Assets
Trading securities held in deferred compensation plan	[3]	32,910,000	25,275,000
Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	82,043,000	84,067,000
Fair Value, Inputs, Level 1
Assets
Total		166,535,000	210,923,000
Liabilities
Deferred compensation plan	[1]	116,260,000	110,379,000
Total		116,260,000	110,379,000
Fair Value, Inputs, Level 1 | Money market securities
Assets
Money market securities	[2]	51,582,000	101,581,000
Fair Value, Inputs, Level 1 | Fixed Income Securities
Assets
Trading securities held in deferred compensation plan	[3]	32,910,000	25,275,000
Fair Value, Inputs, Level 1 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	82,043,000	84,067,000
Fair Value, Inputs, Level 2
Assets
Total		0	0
Liabilities
Deferred compensation plan	[1]	0	0
Total		0	0
Fair Value, Inputs, Level 2 | Money market securities
Assets
Money market securities	[2]	0	0
Fair Value, Inputs, Level 2 | Fixed Income Securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 2 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 3
Assets
Total		0	0
Liabilities
Deferred compensation plan	[1]	0	0
Total		0	0
Fair Value, Inputs, Level 3 | Money market securities
Assets
Money market securities	[2]	0	0
Fair Value, Inputs, Level 3 | Fixed Income Securities
Assets
Trading securities held in deferred compensation plan	[3]	0	0
Fair Value, Inputs, Level 3 | Equity securities
Assets
Trading securities held in deferred compensation plan	[3]	$ 0	$ 0

[1] Included in accrued payroll and employee benefits and deferred compensation plan liabilities on the Company’s unaudited condensed consolidated balance sheet.

[2] Included in cash and cash equivalents on the Company’s unaudited condensed consolidated balance sheet.

[3] Included in prepaid expenses and other current assets and deferred compensation plan assets on the Company’s unaudited condensed consolidated balance sheet.