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v3.21.2

Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Treasury Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | ---
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative-effect adjustment from adoption of ASU 2016-09 | $ 330,493 | $ 338 | $ (54,216) | $ 255,936 | $ 151,961 | $ (23,526)
Beginning balance at Sep. 30, 2018 | 330,493 | $ 338 | $ (54,216) | 255,936 | 151,961 | (23,526)
Beginning balance (in shares) at Sep. 30, 2018 |  | 33,813 | 6,385 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income | 9,958 |  |  |  | 9,958 |
Other comprehensive income (loss) | (1,989) |  |  |  |  | (1,989)
Employee stock purchase issuances (in shares) |  |  | (111) |  |  |
Employee stock purchase issuances | 1,058 |  | $ 948 | 110 |  |
Repurchase of common stock (in shares) |  |  | 93 |  |  |
Repurchase of common stock | (1,071) |  | $ (1,071) |  |  |
Issuance of stock under stock award plans (in shares) |  | 795 |  |  |  |
Issuance of stock under stock award plans | 4,874 | $ 8 |  | 4,866 |  |
Stock-based compensation expense | 5,655 |  |  | 5,655 |  |
Ending balance (in shares) at Sep. 30, 2019 |  | 34,608 | 6,367 |  |  |
Ending balance at Sep. 30, 2019 | 348,978 | $ 346 | $ (54,339) | 266,567 | 161,919 | (25,515)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative-effect adjustment from adoption of ASU 2016-09 | 348,978 | $ 346 | $ (54,339) | 266,567 | 161,919 | (25,515)
Net income | 8,411 |  |  |  | 8,411 |
Other comprehensive income (loss) | 1,698 |  |  |  |  | 1,698
Employee stock purchase issuances (in shares) |  |  | (118) |  |  |
Employee stock purchase issuances | 1,065 |  | $ 1,021 | 44 |  |
Repurchase of common stock (in shares) |  |  | 104 |  |  |
Repurchase of common stock | (1,791) |  | $ (1,791) |  |  |
Issuance of stock under stock award plans (in shares) |  | 905 |  |  |  |
Issuance of stock under stock award plans | 5,902 | $ 9 |  | 5,893 |  |
Stock-based compensation expense | 7,237 |  |  | 7,237 |  |
Ending balance (in shares) at Sep. 30, 2020 |  | 35,513 | 6,353 |  |  |
Ending balance at Sep. 30, 2020 | 371,500 | $ 355 | $ (55,109) | 279,741 | 170,330 | (23,817)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative-effect adjustment from adoption of ASU 2016-09 | 371,500 | $ 355 | $ (55,109) | 279,741 | 170,330 | (23,817)
Net income | 10,366 |  |  |  | 10,366 |
Other comprehensive income (loss) | $ 1,071 |  |  |  |  | 1,071
Stock Issued During Period, Shares, New Issues | 4,025 | 4,025 |  |  |  |
Stock Issued During Period, Value, New Issues | $ 73,830 | $ 40 |  | 73,790 |  |
Stockholders' Equity, Other | (4) |  |  |  | (4) |
Employee stock purchase issuances (in shares) |  |  | (79) |  |  |
Employee stock purchase issuances | 1,214 |  | $ 694 | 520 |  |
Repurchase of common stock (in shares) |  |  | 117 |  |  |
Repurchase of common stock | (2,120) |  | $ (2,120) |  |  |
Issuance of stock under stock award plans (in shares) |  | 1,115 |  |  |  |
Issuance of stock under stock award plans | 8,525 | $ 12 |  | 8,513 |  |
Stock-based compensation expense | 8,135 |  |  | 8,135 |  |
Ending balance (in shares) at Sep. 30, 2021 |  | 40,653 | 6,391 |  |  |
Ending balance at Sep. 30, 2021 | 472,517 | $ 407 | $ (56,535) | 370,699 | 180,692 | (22,746)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Cumulative-effect adjustment from adoption of ASU 2016-09 | $ 472,517 | $ 407 | $ (56,535) | $ 370,699 | $ 180,692 | $ (22,746)

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