Receivables and Allowances for Doubtful Accounts (Tables)

12 Months Ended

Dec. 28, 2013

Receivables [Abstract]

Current and long-term accounts receivable balances

Cadence's current and long-term receivables balances as of December 28, 2013 and December 29, 2012 were as follows:

	As of
	December 28, 2013		December 29, 2012
	(In thousands)
Accounts receivable	$	76,057	$	67,259
Unbilled accounts receivable	31,567		30,647
Long-term receivables	3,672		7,559
Total receivables	$	111,296	$	105,465
Less allowance for doubtful accounts	—		(85		)
Total receivables, net	$	111,296	$	105,380

Change in allowance for doubtful accounts

The following table presents the change in Cadence's allowance for doubtful accounts for fiscal 2013, 2012 and 2011:

	Balance at Beginning of Period			(Charged to) Credited to Costs and Expenses			Uncollectible Accounts Written Off, Net		Balance at End of Period
	(In thousands)
Year ended December 28, 2013	$	(85	)	$	85		$	—	$	—
Year ended December 29, 2012	$	—		$	(215	)	$	130	$	(85	)
Year ended December 31, 2011	$	(7,604	)	$	6,596		$	1,008	$	—