Receivables, net

12 Months Ended

Dec. 29, 2018

Receivables [Abstract]

RECEIVABLES, NET

RECEIVABLES, NET

Cadence’s current and long-term receivables balances as of December 29, 2018 and December 30, 2017 were as follows:

	As of
	December 29, 2018			December 30, 2017
	(In thousands)
Accounts receivable	$	164,223		$	119,325
Unbilled accounts receivable	136,795			71,101
Long-term receivables	5,972			12,239
Total receivables	306,990			202,665
Less allowance for doubtful accounts	(3,936		)	—
Total receivables, net	$	303,054		$	202,665

Cadence’s customers are primarily concentrated within the semiconductor and electronics systems industries. As of December 29, 2018, one customer accounted for 11% of Cadence’s total receivables. As of December 30, 2017, one customer accounted for 17% of Cadence’s total receivables.

Allowance for doubtful accounts

Cadence’s provisions for losses on its accounts receivable during fiscal 2018, 2017 and 2016 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 29, 2018	$	—	$	5,102	$	(1,166	)	$	3,936
Year ended December 30, 2017	—		2,623		(2,623		)	—
Year ended December 31, 2016	$	—	$	308	$	(308	)	$	—