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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2019 | Mar. 31, 2019
--- | --- | ---
Statement of Financial Position [Abstract] |  |
Trade accounts receivable, allowances | $ 26,438 | $ 18,824
Inventory reserves | 13,152 | 9,723
Accumulated depreciation | 241,461 | 235,939
Accumulated amortization | $ 74,025 | $ 71,186
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01
Common stock, authorized shares (in shares) | 125,000,000 | 125,000,000
Common stock, issued shares (in shares) | 27,982,000 | 29,141,000
Common stock, outstanding shares (in shares) | 27,982,000 | 29,141,000

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