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Schedule II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Mar. 31, 2016
Allowance for doubtful accounts |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | $ 607 | $ 667 | $ 707
Charged (Credited) to Statement of Operations (1)(2) | (404) | 47 | 71
Claims and Adjustments Applied Against Allowances (1) | (81) | (107) | (111)
Balance at End of Year | 122 | 607 | 667
Allowance for sales returns |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | 18,800 | 18,526 | 17,236
Charged (Credited) to Statement of Operations (1)(2) | 111,969 | 78,242 | 66,935
Claims and Adjustments Applied Against Allowances (1) | (105,254) | (77,968) | (65,645)
Balance at End of Year | 25,515 | 18,800 | 18,526
Allowance for cooperative marketing arrangements (1) |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | 28,022 | 28,157 | 24,919
Charged (Credited) to Statement of Operations (1)(2) | 160,664 | 144,656 | 131,410
Claims and Adjustments Applied Against Allowances (1) | (158,297) | (144,791) | (128,172)
Balance at End of Year | 30,389 | 28,022 | 28,157
Allowance for customer incentive programs (1) |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | 60,857 | 60,872 | 47,364
Charged (Credited) to Statement of Operations (1)(2) | 230,838 | 196,363 | 164,307
Claims and Adjustments Applied Against Allowances (1) | (221,103) | (196,378) | (150,799)
Balance at End of Year | 70,592 | 60,857 | 60,872
Allowance for pricing programs (1) |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | 102,289 | 81,553 | 70,951
Charged (Credited) to Statement of Operations (1)(2) | 445,048 | 322,118 | 260,698
Claims and Adjustments Applied Against Allowances (1) | (405,968) | (301,382) | (250,096)
Balance at End of Year | 141,369 | 102,289 | 81,553
Tax valuation allowances |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Balance at Beginning of Year | 6,626 | 5,338 | 5,590
Charged (Credited) to Statement of Operations (1)(2) | 18,496 | 1,299 | 1,255
Claims and Adjustments Applied Against Allowances (1) | 26 | (11) | (1,507)
Balance at End of Year | 25,148 | $ 6,626 | $ 5,338
Accounting Standards Update 2016-09 |  |  |
VALUATION AND QUALIFYING ACCOUNTS |  |  |
Increase (decrease) in valuation allowance for foreign tax credit carryforwards | $ 18,000 |  |

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