Intangible Assets (Tables)

3 Months Ended

Sep. 30, 2017

Intangible Assets [Abstract]

Schedule of Identifiable Acquisition Related Intangible Assets

	Gross Carrying Amount		Accumulated Amortization		Net
	(in millions)
September 30, 2017
Finite-Lived Intangible Assets
Customer relationships	$	1,483.2	$	(332.3)	$	1,150.9
Underlying rights		1.6		(0.5)		1.1
Total		1,484.8		(332.8)		1,152.0
Indefinite-Lived Intangible Assets
Certifications		3.5		—		3.5
Underlying Rights		15.3		—		15.3
Total	$	1,503.6	$	(332.8)	$	1,170.8
June 30, 2017
Finite-Lived Intangible Assets
Customer relationships	$	1,477.7	$	(308.6)	$	1,169.1
Underlying rights		1.6		(0.4)		1.2
Total		1,479.3		(309.0)		1,170.3
Indefinite-Lived Intangible Assets
Certifications		3.5		—		3.5
Underlying Rights		14.8		—		14.8
Total	$	1,497.6	$	(309.0)	$	1,188.6