Supplementary Balance Sheet Information - Property, Equipment and Leasehold Improvements - Write-offs (Details) $ in Millions	9 Months Ended
Mar. 31, 2016 USD ($)
Supplementary Balance Sheet Information
Fully depreciated property, equipment and leasehold improvements written-off, gross book value	$ 2.9
Fully depreciated property, equipment and leasehold improvements written-off, accumulated depreciation	$ 2.9

Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentDisposals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration