Other Significant Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2021

Significant Balance Sheet Components [Abstract]

Account receivable, net

Account receivable, net

	Fiscal Years
(In thousands)	2021			2020
Billed accounts receivable	$	102,028		$	80,298
Unbilled accounts receivable		42,256			35,262
Allowance for contract losses and doubtful accounts		(4,423	)		(3,995	)
Total accounts receivable, net	$	139,861		$	111,565

Accounts payable and accrued liabilities

Accounts payable and accrued liabilities

	Fiscal Years
(In thousands)	2021		2020
Accounts payable	$	3,193	$	3,279
Accrued liabilities		21,311		13,048
Total accounts payable and other accrued liabilities	$	24,504	$	16,327

Accrued payroll and employee benefits

Accrued payroll and employee benefits

	Fiscal Years
(In thousands)	2021		2020
Accrued bonuses payable	$	66,723	$	51,126
Accrued 401(k) contributions		9,332		9,127
Accrued vacation		13,100		13,174
Deferred compensation plan		9,380		5,016
Other accrued payroll and employee benefits		5,017		4,751
Total accrued payroll and employee benefits	$	103,552	$	83,194