Intangible Assets (Tables)

12 Months Ended

Jun. 30, 2015

Intangible Assets Net Excluding Goodwill [Abstract]

Schedule of Identifiable Acquisition Related Intangible Assets

Identifiable acquisition-related intangible assets as of June 30, 2015 and 2014 were as follows (in millions):

	Gross Carrying Amount		Accumulated Amortization			Net
June 30, 2015
Finite-Lived Intangible Assets
Customer relationships	$	1,080.3	$	(155.0	)	$	925.3
Trade names		0.2		(0.1	)		0.1
Underlying rights		1.7		(0.2	)		1.5
Total		1,082.2		(155.3	)		926.9
Indefinite-Lived Intangible Assets
Certifications		3.5		—			3.5
Underlying Rights		17.9		—			17.9
Total	$	1,103.6	$	(155.3	)	$	948.3
June 30, 2014
Finite-Lived Intangible Assets
Customer relationships	$	789.2	$	(103.6	)	$	685.6
Trade names		0.1		—			0.1
Underlying rights		1.8		(0.1	)		1.7
Total		791.1		(103.7	)		687.4
Indefinite-Lived Intangible Assets
Certifications		3.5		—			3.5
Underlying rights		19.4		—			19.4
Total	$	814.0	$	(103.7	)	$	710.3

Schedule of Estimated Future Amortization of Finite-Lived Intangible Assets

Estimated future amortization of finite-lived intangible assets is as follows (in millions):

Year Ended June 30,
2016	$	66.3
2017		66.2
2018		66.2
2019		66.2
2020		62.6
Thereafter		599.4
Total	$	926.9