Other Significant Balance Sheet Components (Tables)

12 Months Ended

Dec. 28, 2012

Significant Balance Sheet Components [Abstract]

Accounts Receivable, Net

Account receivable, net

	Fiscal Years
(In thousands)	2012			2011
Billed accounts receivable	$	54,653		$	50,338
Unbilled accounts receivable		33,374			25,066
Allowance for contract losses and doubtful accounts		(2,666	)		(2,339	)
Total accounts receivable, net	$	85,361		$	73,065

Accounts payable and accrued liabilities

Accounts payable and accrued liabilities

	Fiscal Years
(In thousands)	2012		2011
Accounts payable	$	7,010	$	4,215
Accrued liabilities		3,376		2,523
Total accounts payable and other accrued liabilities	$	10,386	$	6,738

Accrued payroll and employee benefits

Accrued payroll and employee benefits

	Fiscal Years
(In thousands)	2012		2011
Accrued bonuses payable	$	33,885	$	29,736
Accrued 401(k) contributions		6,304		6,175
Accrued vacation		8,008		7,267
Other accrued payroll and employee benefits		6,523		4,911
Total accrued payroll and employee benefits	$	54,720	$	48,089