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SUPPLEMENTARY FINANCIAL INFORMATION (Tables)
 12 Months Ended
Mar. 31, 2018
Valuation and Qualifying Accounts [Abstract]  
Schedule of details of valuation and qualifying accounts
The following table provides details of our valuation and qualifying accounts:
 
 
Beginning
Balance
 
Additions(1)
 
Deductions
 
Other
 
Ending
Balance
Fiscal Year Ended March 31, 2018
 
 

 
 

 
 

 
 

 
 

Valuation allowance for deferred income taxes
 
$
184,085

 
11,555

 
—

 
—

 
$
195,640

Price protection, sales returns and other allowances
 
$
65,114

 
59,674

 
(74,936
)
 
3,191

 
$
53,043

Allowance for doubtful accounts
 
1,369

 
—

 
(122
)
 
—

 
1,247

Total accounts receivable allowances
 
$
66,483

 
$
59,674

 
$
(75,058
)
 
$
3,191

 
$
54,290

Fiscal Year Ended March 31, 2017
 
 

 
 

 
 

 
 

 
 

Valuation allowance for deferred income taxes
 
$
170,574

 
13,511

 
—

 
—

 
$
184,085

Price protection, sales returns and other allowances
 
$
45,153

 
127,744

 
(100,934
)
 
(6,849
)
 
$
65,114

Allowance for doubtful accounts
 
399

 
974

 
(4
)
 
—

 
1,369

Total accounts receivable allowances
 
$
45,552

 
$
128,718

 
$
(100,938
)
 
$
(6,849
)
 
$
66,483

Fiscal Year Ended March 31, 2016
 
 

 
 

 
 

 
 

 
 

Valuation allowance for deferred income taxes
 
$
133,468

 
37,106

 
—

 
—

 
$
170,574

Price protection, sales returns and other allowances
 
$
69,305

 
64,498

 
(86,622
)
 
(2,028
)
 
$
45,153

Allowance for doubtful accounts
 
1,166

 
—

 
(767
)
 
—

 
399

Total accounts receivable allowances
 
$
70,471

 
$
64,498

 
$
(87,389
)
 
$
(2,028
)
 
$
45,552


(1)Includes price protection of $27,088, $65,336 and $36,546; other allowances including rebates, discounts and cooperative advertising of $31,428, $45,850 and $23,073; and sales returns of $1,158, $16,558 and $4,879 for the fiscal years ended March 31, 2018, 2017 and 2016, respectively.