Acquisitions (Narrative) (Details) $ in Thousands				3 Months Ended	12 Months Ended
	Sep. 04, 2015 USD ($)	Jan. 13, 2015 USD ($) payment	Sep. 19, 2014 USD ($) payment	Mar. 31, 2016 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Business Acquisition [Line Items]
Cash paid for business acquisitions, net of cash acquired					$ 61,475	$ 59,779	$ 0
Weighted average amortization period					10 years	10 years	11 years
KBZ [Member]
Business Acquisition [Line Items]
Initial cash payment	$ 64,600
Cash acquired in acquisition	3,100
Cash paid for business acquisitions, net of cash acquired	$ 61,475
Weighted average amortization period	8 years
Debt assumed in acquisition	$ 126,776
Network1 [Member]
Business Acquisition [Line Items]
Initial cash payment		$ 29,100
Cash acquired in acquisition		4,800
Cash paid for business acquisitions, net of cash acquired		$ 24,300
Weighted average amortization period		9 years
Percentage of company equity acquired		100.00%
Earnout payments, number of installments | payment		4
Debt assumed in acquisition		$ 35,200
Goodwill, purchase accounting adjustments				$ 7,900	$ 8,496
Imago [Member]
Business Acquisition [Line Items]
Initial cash payment			$ 37,400
Cash acquired in acquisition			1,900
Cash paid for business acquisitions, net of cash acquired			$ 35,500
Weighted average amortization period			9 years
Percentage of company equity acquired			100.00%
Earnout payments, number of installments | payment			2
Deferred tax liability acquired			$ 4,100