Accrued Liabilities and Other Short-Term Obligations (Tables)

9 Months Ended

Jul. 31, 2018

Balance Sheet Related Disclosures [Abstract]

Schedule of Accrued Liabilities

As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):

	July 31, 2018		October 31, 2017
Compensation, payroll related tax and benefits	$	99,740	$	113,272
Warranty	44,150		42,456
Vacation	40,747		39,778
Capital lease obligations	3,773		3,772
Interest payable	4,991		3,612
Other	104,587		120,044
	$	297,988	$	322,934

Schedule of Accrued Warranties

The following table summarizes the activity in Ciena’s accrued warranty for the fiscal periods indicated (in thousands):

Nine Months Ended July 31,	Beginning Balance		Current Period Provisions (1)	Settlements		Ending Balance
2017	$	52,324	5,188	(13,216	)	$	44,296
2018	$	42,456	15,715	(14,021	)	$	44,150

(1) As a result of lower than expected actual failure rates, Ciena adjusted its fiscal 2017 provision for warranty. This adjustment had the effect of reducing warranty provision by $8.0 million for the nine months ended July 31,2017.