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Deferred Revenue
 6 Months Ended
Sep. 26, 2015
Deferred Revenue Disclosure [Abstract]  
Deferred Revenue
Deferred Revenue

Generally, revenue is recognized upon fulfillment of acceptance criteria at the Company's factory and transfer of risk and title. Revenue is deferred whenever title transfer is pending, risk has not transferred, and/or acceptance criteria have not yet been fulfilled. Deferred revenue occurrences include sales to Japanese customers, shipments of substantially new products and shipments with custom specifications and acceptance criteria. In sales involving multiple element arrangements, the relative selling price of any undelivered elements, including installation services, is deferred until the elements are delivered and acceptance criteria are met. Revenue related to maintenance and service contracts is deferred and recognized ratably over the duration of the contracts.
The following is a reconciliation of the changes in deferred revenue:
 
Fiscal quarter ended
 
Two fiscal quarters ended
(In thousands)
Sep 26, 2015
 
Sep 27, 2014
 
Sep 26, 2015
 
Sep 27, 2014
Deferred revenue, beginning
$
14,961

 
$
12,268

 
$
12,376

 
$
10,515

Revenue deferred
17,871

 
15,141

 
33,591

 
26,949

Revenue recognized
(20,170
)
 
(10,969
)
 
(33,305
)
 
(21,024
)
Deferred revenue, ending
$
12,662

 
$
16,440

 
$
12,662

 
$
16,440