Accrued Liabilities and Other Short-Term Obligations (Tables)

6 Months Ended

Apr. 30, 2018

Balance Sheet Related Disclosures [Abstract]

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



	April 30, 2018		October 31, 2017
Compensation, payroll related tax and benefits⁽¹⁾	$	78,744	$	113,272
Warranty	43,392		42,456
Vacation	42,744		39,778
Capital lease obligations	3,828		3,772
Interest payable	3,602		3,612
Other	97,921		120,044
	$	270,231	$	322,934

(1) Reduction is primarily due to the timing of bonus payments to employees under Ciena's annual cash incentive compensation plan.

Schedule of Accrued Warranties

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



Six Months Ended April 30,	Beginning Balance		Current Period Provisions ⁽¹⁾	Settlements		Ending Balance
2017	$	52,324	2,347	(8,646	)	$	46,025
2018	$	42,456	10,565	(9,629	)	$	43,392

(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 $6.3 million for the six months ended April 30, 2017.