Lease Commitments - Capital Leases (Details) - USD ($)	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018
PNC
Long-term obligations
Payment terms of equipment lease line of credit	36 months
Purchase option at the end of payment terms	$ 1
BALC
Long-term obligations
Maximum borrowing capacity	$ 25,000,000	$ 16,000,000
Interest rate (as a percent)	4.05%
Payment terms of equipment lease line of credit	12 months
Purchase option at the end of payment terms	$ 1
BALC \| LIBOR
Long-term obligations
Interest rate spread added to base rate (as a percent)	1.25%
Computer hardware \| Line of Credit
Long-term obligations
Line of credit, amount outstanding	$ 24,600,000	26,000,000
Gross carrying value of leased computers	51,300,000	42,200,000
Accumulated depreciation of leased student computers	$ 31,500,000	$ 26,000,000
Computer hardware \| Line of Credit \| Minimum
Long-term obligations
Interest rate (as a percent)	1.97%
Computer hardware \| Line of Credit \| Maximum
Long-term obligations
Interest rate (as a percent)	4.05%

Represents the amount of purchase option at the end of payment term under equipment lease.

No definition available.

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- Definition

The length of time over which payment of equipment lease line is scheduled.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735

+ Details

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- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 2)
-URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697

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-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=84164758&loc=d3e45014-112735

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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