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Subsequent Events (Details) $ in Millions	9 Months Ended
	Apr. 30, 2018 USD ($)
Triple Peaks, LLC [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement	Jun. 04, 2018
Payments to Acquire Businesses, Gross	$ 82.0
Repayments of Debt and Capital Lease Obligations	$ 155.0
Stevens Pass [Member]
Subsequent Event [Line Items]
Business Acquisition, Date of Acquisition Agreement	Jun. 04, 2018
Payments to Acquire Businesses, Gross	$ 67.0

X

- Definition

Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

Name:	us-gaap_BusinessAcquisitionDateOfAcquisitionAgreement1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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Balance Type:	credit
Period Type:	duration

X

- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt and payment of capital lease obligations.

+ References

No definition available.

+ Details

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X

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
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Period Type: