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Stock-based Compensation and Stockholders' Equity - Equity Incentive Plan (Details) - USD ($) | 3 Months Ended | 7 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2016 | Jul. 31, 2016 | Jun. 30, 2016 | Mar. 08, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Treasury stock, value | $ 20,491,000 | $ 20,491,000 |  | $ 2,030,000 |
Shares reserved for outstanding awards (in shares) | 8,818,180 | 8,818,180 |  | 8,960,867 |
Equity Incentive Plan, 2016, more than 10% ownership |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Percentage of fair market value |  | 110.00% |  |  |
Equity Incentive Plan, 2016, less than 10% ownership |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Percentage of fair market value |  | 100.00% |  |  |
Equity Incentive Plan, 2016 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares reserved for future issuance (in shares) |  |  |  |  | 4,700,000
Authorized shares available for future issuance (in shares) | 3,884,570 | 3,884,570 |  |  |
Equity Incentive Plan, 2016 | Stock options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock option expected life (in years) |  | 10 years |  |  |
Equity Incentive Plan, 2016 | Employee stock options and restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period (in years) |  | 4 years |  |  |
Equity Incentive Plan, 2016 | Employee stock options and restricted stock units | Year one |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock option and restricted stock units vesting rights, percentage |  | 25.00% |  |  |
Equity Incentive Plan, 2016 | Employee stock options and restricted stock units | Quarterly |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock option and restricted stock units vesting rights, percentage |  | 6.25% |  |  |
Equity Incentive Plan, 2006 |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares reserved for future issuance (in shares) |  |  |  |  | 2,800,000
Shares reserved for outstanding awards (in shares) |  |  |  |  | 8,696,444
Number of authorized shares available for future issuance were cancelled (in shares) |  |  |  |  | 1,153,412
Common Stock |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  | $ 100,000,000 |  |
Treasury stock (in shares) | 888,097 | 888,097 |  |  |
Treasury stock acquired, average cost per share (in dollars per share) | $ 20.79 |  |  |  |
Treasury stock, value | $ 18,461,000 | $ 18,461,000 |  |  |

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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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