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Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Dec. 29, 2012
Valuation and Qualifying Accounts [Abstract]  
Valuation and Qualifying Accounts and Reserves
CADENCE DESIGN SYSTEMS, INC.
VALUATION AND QUALIFYING ACCOUNTS AND RESERVES
(In thousands)

Schedule II
 
 
 
 
Additions
 
 
 
 
Description
 
Balance at Beginning of Period
 
Charged to (Credited to) Costs and Expenses
 
Charged to Other Accounts (1)
 
Uncollectible Accounts Written Off, Net
 
Balance at End of Period
Deducted from asset accounts:
 
 
 
 
 
 
 
 
 
 
Provisions for losses on trade accounts receivable:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Year ended December 29, 2012
 
$
—

 
$
215

 
$
—

 
$
(130
)
 
$
85

 
 
 
 
 
 
 
 
 
 
 
Year ended December 31, 2011
 
7,604

 
(6,596
)
 
—

 
(1,008
)
 
—

 
 
 
 
 
 
 
 
 
 
 
Year ended January 1, 2011
 
$
23,744

 
$
(17,098
)
 
$
428

 
$
530

 
$
7,604

_____________
(1) Bad debt allowance from acquisitions.