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Amount of priority payment made to Purdue University Global beyond costs before any payment to Kaplan

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Annual Purdue University Global cash operating losses threshold for option to terminate Transition and Operations Support Agreement

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First five years of TOSA

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- Definition

Contingent consideration gain related to the sale of a business.

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The aggregate amount of write-downs recognized during the period for long-lived assets.

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Percentage representing Kaplan's fee based on Purdue University Global Revenue

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Percent of Purdue Global University revenue for preceding 12 month period to be paid to terminate the Transition and Operations Support Agreement

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The number of businesses disposed of by the entity during the period.

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Number of consecutive years of Purdue University Global cash operating losses for option to terminate Transition and Operations Support Agreement

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Percentage of Cost Efficiencies to be used to Calculate Additional Efficiency Payment

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Percentage of Purdue University Global Revenue remaining after Kaplan Efficiency Payment and other adjustments paid to Purdue University Global

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Duration of note for final payment made by Purdue University Global to Kaplan upon termination of TOSA

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Transition and Operations Support Agreement Buy-Out Option Eligible Year

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Transition and Operations Support Agreement Initial Term

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Transition and Operations Support Agreement Renewal Periods after initial 30 year term

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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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.

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Change in noncontrolling interest during the period as a result of a change in the redemption value of redeemable noncontrolling interest.

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Acquisitions and Dispositions of Businesses (Dispositions and Other) (Narrative) (Details) $ in Thousands		1 Months Ended	3 Months Ended			9 Months Ended
	Mar. 22, 2018 USD ($)	Jun. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) business	Sep. 30, 2017 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on the sale of businesses			$ 916		$ 0	$ 8,157	$ (342)
Impairment of long-lived assets			8,100
Education [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on the sale of businesses						$ 8,200
Number of businesses disposed \| business						3
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
First Five Years of Transition and Operations Support Agreement	5 years
Transition and Operations Support Agreement Initial Term	30 years
Transition and Operations Support Agreement Renewal Periods	5 years
Transition and Operations Support Agreement Buy-Out Option Eligible Year	6 years
Number of Consecutive Years of Purdue University Global Cash Operating Losses	3 years
Gain on the sale of businesses				$ 4,300		$ 4,300
Gain Related to Contingent Consideration			$ 500			$ 1,900
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| Minimum [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Annual Purdue University Global Cash Operating Losses	$ 25,000
Aggregate Purdue University Global cash operating losses	$ 75,000
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| Purdue University Global [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of Cost Efficiencies	20.00%
Advance Related To Kaplan University Transaction	$ 20,000
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of Cost Efficiencies	20.00%
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| March 22, 2018 through June 30, 2022 [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Kaplan Share of Purdue University Global Revenue	12.50%
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| March 22, 2018 through June 30, 2023 [Member] \| Purdue University Global [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amount of Priority Payment Per Year Beyond Costs	$ 10,000
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| July 1, 2022 through June 30, 2027 [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Kaplan Share of Purdue University Global Revenue	13.00%
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| After June 30, 2023 [Member] \| Purdue University Global [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of Revenue After Kaplan Efficiency Payment	10.00%
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| After June 30, 2024 [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Kaplan University Transaction Termination Fee	125.00%
Purdue University Global Final Payment Note Duration	10 years
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| After June 30, 2027 [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Kaplan Share of Purdue University Global Revenue	12.50%
Education [Member] \| Higher Education [Member] \| Kaplan University Transaction [Member] \| After June 30, 2048 [Member] \| Kaplan [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Kaplan University Transaction Termination Fee	75.00%
Purdue University Global Final Payment Note Duration	10 years
Graham Healthcare Group [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Change in redemption value of manditorily redeemable noncontrolling interest		$ 6,200