The total number of shares issued pursuant to the Company's employee stock purchase plan.

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- Definition

The maximum ownership percentage an employee may hold of the Company's stock before becoming ineligible to in the Company's employee stock purchase plan.

+ References

No definition available.

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Percentage of an employees base pay used to determine the amount of payroll deductions authorized by the employee under employee stock purchase plans which allows employees to purchase shares of common stock from the Company

+ References

No definition available.

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Payment period of employee stock purchase plans, in PnM format.

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No definition available.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value on the lower of the first or last day of the payment period

+ References

No definition available.

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- Definition

The number of shares per non-vested stock unit received upon vesting.

+ References

No definition available.

+ Details

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- Definition

Performance period over which senior-level employees are required to provide services in exchange for equity instruments other than options

+ References

No definition available.

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- Definition

The period in which the actual stock units earned for the interim measurement date are determined, in PnD format.

+ References

No definition available.

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- Definition

The maximum percentage of stock units earned based on the minimum annualized target shareholder return being achieved.

+ References

No definition available.

+ Details

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- Definition

The maximum percentile of companies within a pre-established custom index group used to compare the total return to stockholders in order to determine the share-based payment award.

+ References

No definition available.

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- Definition

The minimum percentile of companies within a pre-established custom index group used to compare the total return to stockholders in order to determine the share-based payment award.

+ References

No definition available.

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- Definition

The minimum percentile within a pre-established custom index group that must be achieved in order to earn the maximum number of non-vested stock units.

+ References

No definition available.

+ Details

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized, Fungible Share Factor

+ References

No definition available.

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- Definition

Number of stock-based compensation plans offered

+ References

No definition available.

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- Definition

The number of monthly installments in which stock-based compensation awards vest.

+ References

No definition available.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Aggregate number of common shares reserved for future issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The highest quantity of shares an employee can purchase under the plan per period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 718
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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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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.

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation (Narrative) (Details) $ in Thousands	1 Months Ended			3 Months Ended		9 Months Ended
	Apr. 30, 2019 shares	Feb. 28, 2019 shares	Mar. 31, 2017	Mar. 31, 2020 USD ($) installment plan shares	Mar. 31, 2019 USD ($)	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of stock-based compensation plans offered \| plan				1
Stock-based compensation cost \| $				$ 58,323	$ 65,234
Market Performance and Service Condition Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum return to shareholders as percentile of peer group to reach target share cap, minimum			80.00%
Total return to shareholders as percentile of peer group, minimum			41.00%
Total return to shareholders as percentile of peer group, maximum			80.00%
Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period for grants			3 years
Performance share earned share cap based on minimum shareholder return (percent)	200.00%
Performance share period to determine actual stock grant following end of interim measurement period	60 days	60 days
Non-vested Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share based awards granted and outstanding (shares)				4,554,233
Total unrecognized compensation cost related to stock-based compensation \| $				$ 329,000
Total unrecognized compensation cost recognition period				1 year 8 months 4 days
2014 Plan [Member] \| Non-vested Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares per non-vested stock unit				1
Stock-based compensation award vesting period, number of monthly installments \| installment				12
2014 Plan [Member] \| Annual vesting on each anniversary [Member] \| Non-vested Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage				33.33%
2015 ESPP Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance under the Plan (shares)				16,000,000
Employee Stock Purchase Plan, payment period				6 months
Employee Stock Purchase Plan, maximum number of shares per period that employees can purchase				12,000
Employee Stock Purchase Plan, purchase price as a percentage of fair market value				85.00%
Employee Stock Purchase Plan, employee disqualification, ownership percent of outstanding stock				5.00%
Employee Stock Purchase Plan, total shares issued under plan (shares)				2,438,105
Expected life (in years)				6 months	6 months
2015 ESPP Plan [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Stock Purchase Plan, option to purchase shares through payroll deduction, payroll deduction amount per pay period per employee, as a percentage of base pay				1.00%
2015 ESPP Plan [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Stock Purchase Plan, option to purchase shares through payroll deduction, payroll deduction amount per pay period per employee, as a percentage of base pay				10.00%
ESPPs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation cost \| $				$ 2,100	$ 2,900
Common Stock [Member] \| 2014 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance under the Plan (shares)				43,400,000
Fungible share factor under original terms of the Plan						2.75
Shares reserved for issuance under the stock-based compensation plans (shares)				11,183,427
Shares available for grant under the 2014 Plan (shares)				6,580,166
Senior Level Employees [Member] \| Performance Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested stock unit awards granted to senior level employees (shares)	293,991	93,500