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Other Balance Sheet Details
 3 Months Ended
Jan. 31, 2020
Balance Sheet Related Disclosures [Abstract]  
Other Balance Sheet Details OTHER BALANCE SHEET DETAILS
As of the dates indicated, accrued liabilities and other short-term obligations are comprised of the following (in thousands):
 
January 31,
2020
 
October 31,
2019
Compensation, payroll related tax and benefits (1)
$
68,924

 
$
182,363

Warranty
51,190

 
48,498

Vacation
22,708

 
22,290

Contingent consideration
3,705

 
4,372

Contingent compensation
2,880

 
—

Finance lease obligations
2,710

 
2,764

Interest payable
717

 
1,007

Other
120,471

 
121,446

 
$
273,305

 
$
382,740



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

The following table summarizes the activity in Ciena’s accrued warranty for the fiscal periods indicated (in thousands):
Three Months Ended January 31,
 
Beginning Balance
 
Current Period Provisions
 
Settlements
 
Ending Balance
2019
 
$
44,740

 
3,891

 
(4,183
)
 
$
44,448

2020
 
$
48,498

 
7,898

 
(5,206
)
 
$
51,190