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2415402 - Disclosure - Deferred Income and Allowances on Sales to Distributors (Details)
(http://www.altera.com/role/DeferredIncomeAndAllowancesOnSalesToDistributorsDetails)
TableDeferred Revenue Arrangement, by Type [Table]
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000768251 (http://www.sec.gov/CIK)
Deferred Revenue Arrangement Type [Axis]Deferred Revenue [Domain]
Deferred Revenue Arrangement [Line Items]Period [Axis]
2013-01-01 - 2013-12-31
2012-01-01 - 2012-12-31
Deferred Income and Allowances on Sales to Distributors
 
 
Deferred revenue on shipments to distributors
512,872,000  
363,641,000  
Deferred cost of sales on shipments to distributors
(33,809,000) 
(28,101,000) 
Deferred income on shipments to distributors
479,063,000  
 
335,540,000  
 
Other deferred revenue
8,683,000 1
10,453,000 1
Total
487,746,000  
 
345,993,000  
 
Deferred Income and Allowances on Sales to Distributor Activity
 
 
Deferred Income and Allowances on Sales to Distributor Activity
 
 
Balance at beginning of period
345,993,000  
279,876,000  
Deferred revenue recognized upon shipment to distributors
5,870,096,000  
5,517,540,000  
Deferred costs of sales recognized upon shipments to distributors
(269,969,000) 
(238,256,000) 
Revenue recognized upon sell-through to end customers
(1,055,137,000) 
(1,023,465,000) 
Costs of sales recognized upon sell-through to end customers
260,326,000  
237,703,000  
Earned distributor price concessions
(4,575,430,000)2
(4,345,473,000)2
Returns
(88,058,000) 
(82,577,000) 
(Decrease)/ increase in other deferred revenue
(75,000) 
645,000  
Balance at end of period
487,746,000  
 
345,993,000  
 
Deferred Income and Allowances on Sales to Distributors Textuals [Abstract]
 
 
Minimum percentage of average aggregate price concessions on list price
.70  
 
Maximum percentage of average aggregate price concessions on list price
.85  
 
Maximum time period to submit claim for receiving price concession, days
P60D  
 
Period of settlement for receivable balances, days
P30D  
 
1: Principally represents revenue deferred on our maintenance contracts, software and intellectual property licenses.
2: Average aggregate price concessions typically range from 70% to 85% of our list price on an annual basis, depending upon the composition of our sales, volumes, and factors associated with the timing of shipments to distributors.