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v3.19.1

Condensed Consilidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands | Total | Common Stock | Paid-in Capital | Accumulated Deficit
--- | --- | --- | --- | ---
Beginning balance (in shares) at Sep. 30, 2017 |  | 33,516 |  |
Beginning balance at Sep. 30, 2017 | $ 682,440 | $ 34 | $ 873,063 | $ (190,657)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net (loss) income | (119,389) |  |  | (119,389)
Amortization of nonvested stock awards | 5,208 |  | 5,208 |
Exercises of stock options (in shares) |  | 2 |  |
Exercises of stock options | 13 |  | 13 |
Shares issued under employee stock plans, net (in shares) |  | 376 |  |
Forfeiture of restricted stock (in shares) |  | 204 |  |
Common stock redeemed (in shares) |  | (62) |  |
Common stock redeemed | (1,323) |  | (1,323) |
Other activity | 17 |  | 17 |
Ending balance (in shares) at Mar. 31, 2018 |  | 33,628 |  |
Ending balance at Mar. 31, 2018 | 566,966 | $ 34 | 876,978 | (310,046)
Beginning balance (in shares) at Dec. 31, 2017 |  | 33,596 |  |
Beginning balance at Dec. 31, 2017 | 552,781 | $ 34 | 874,351 | (321,604)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net (loss) income | 11,558 |  |  | 11,558
Amortization of nonvested stock awards | 2,598 |  | 2,598 |
Exercises of stock options | 13 |  | 13 |
Shares issued under employee stock plans, net (in shares) |  | 42 |  |
Forfeiture of restricted stock (in shares) |  | 10 |  |
Common stock redeemed | (1) |  | (1) |
Other activity | 17 |  | 17 |
Ending balance (in shares) at Mar. 31, 2018 |  | 33,628 |  |
Ending balance at Mar. 31, 2018 | 566,966 | $ 34 | 876,978 | (310,046)
Beginning balance (in shares) at Sep. 30, 2018 |  | 33,522 |  |
Beginning balance at Sep. 30, 2018 | 644,027 | $ 34 | 880,025 | (236,032)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net (loss) income | (93,551) |  |  | (93,551)
Amortization of nonvested stock awards | 4,294 |  | 4,294 |
Exercises of stock options (in shares) |  | 27 |  |
Exercises of stock options | 278 |  | 278 |
Shares issued under employee stock plans, net (in shares) |  | 910 |  |
Forfeiture of restricted stock (in shares) |  | 30 |  |
Common stock redeemed (in shares) |  | (179) |  |
Common stock redeemed | $ (1,886) |  | (1,886) |
Share repurchases (in shares) | (2,200) | (2,206) |  |
Share repurchases | $ (24,004) | $ (2) | (24,002) |
Ending balance (in shares) at Mar. 31, 2019 |  | 32,044 |  |
Ending balance at Mar. 31, 2019 | 529,158 | $ 32 | 858,709 | (329,583)
Beginning balance (in shares) at Dec. 31, 2018 |  | 32,675 |  |
Beginning balance at Dec. 31, 2018 | 635,109 | $ 33 | 863,797 | (228,721)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Net (loss) income | (100,862) |  |  | (100,862)
Amortization of nonvested stock awards | 2,180 |  | 2,180 |
Exercises of stock options (in shares) |  | 26 |  |
Exercises of stock options | 271 |  | 271 |
Forfeiture of restricted stock (in shares) |  | 2 |  |
Common stock redeemed (in shares) |  | (3) |  |
Common stock redeemed | $ (35) |  | (35) |
Share repurchases (in shares) | (700) | (652) |  |
Share repurchases | $ (7,505) | $ (1) | (7,504) |
Ending balance (in shares) at Mar. 31, 2019 |  | 32,044 |  |
Ending balance at Mar. 31, 2019 | $ 529,158 | $ 32 | $ 858,709 | $ (329,583)

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