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Deferred Revenue
 9 Months Ended
Jan. 02, 2016
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
 
Three fiscal quarters ended
(In thousands)
Jan 2, 2016
 
Dec 27, 2014
 
Jan 2, 2016
 
Dec 27, 2014
Deferred revenue, beginning
$
12,662

 
$
16,440

 
$
12,376

 
$
10,515

Revenue deferred
13,868

 
6,509

 
47,459

 
33,458

Revenue recognized
(18,822
)
 
(15,126
)
 
(52,127
)
 
(36,150
)
Deferred revenue, ending
$
7,708

 
$
7,823

 
$
7,708

 
$
7,823