Acquisitions (Allocation of the Fair Value of Assets Acquired and Liabilities Assumed as of the Acquisition Date) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Jun. 30, 2015	Jun. 16, 2015
Business Acquisition [Line Items]
Goodwill	$ 174,697
Carpathia Hosting, Inc. [Member]
Business Acquisition [Line Items]
Land			$ 1,130
Buildings and improvements			78,898
Construction in process			12,127
Acquired intangibles, net			90,947
Net working capital			2,390
Total identifiable assets acquired			185,492
Capital lease and lease financing obligations			43,832
Deferred income taxes			21,673
Total liabilities assumed			65,505
Net identifiable assets acquired			119,987
Goodwill		$ 175,000	174,697
Net assets acquired			$ 294,684