Receivables, net

12 Months Ended

Dec. 30, 2017

Receivables [Abstract]

RECEIVABLES, NET

RECEIVABLES, NET

Cadence’s current and long-term receivables balances as of December 30, 2017 and December 31, 2016 were as follows:

	As of
	December 30, 2017		December 31, 2016
	(In thousands)
Accounts receivable	$	119,325	$	85,554
Unbilled accounts receivable	71,101		71,617
Long-term receivables	12,239		12,949
Total receivables	202,665		170,120
Less allowance for doubtful accounts	—		—
Total receivables, net	$	202,665	$	170,120

Cadence’s customers are primarily concentrated within the semiconductor and electronics systems industries. As of December 30, 2017, one customer accounted for 17% of Cadence’s total receivables. As of December 31, 2016, no one customer accounted for 10% or more of Cadence’s total receivables.

Allowance for doubtful accounts

Cadence’s provisions for losses on its accounts receivable during fiscal 2017, 2016 and 2015 were as follows:

	Balance at Beginning of Period		Charged to Costs and Expenses		Uncollectible Accounts Written Off, Net			Balance at End of Period
Year ended December 30, 2017	$	—	$	2,623	$	(2,623	)	$	—
Year ended December 31, 2016	—		308		(308		)	—
Year ended January 2, 2016	$	—	$	126	$	(126	)	$	—