RESTRUCTURING COSTS - Restructuring Roll Forward (Details) $ in Millions	6 Months Ended
	Dec. 31, 2016 USD ($)
Global Integration
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	$ 0.0
Restructuring charges	13.6
Acquisition	1.8
Payments	(2.6)
Effect of exchange rates	0.1
Balance—December 31, 2016	12.9
Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	43.4
Restructuring charges	6.9
Payments	(11.3)
Changes in estimates	(0.5)
Effect of exchange rates	(1.9)
Balance—December 31, 2016	36.6
Organizational Redesign
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	34.5
Restructuring charges	6.1
Payments	(18.7)
Changes in estimates	(1.6)
Effect of exchange rates	(0.8)
Balance—December 31, 2016	19.5
Severance and Employee Benefits | Global Integration
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	0.0
Restructuring charges	4.2
Acquisition	1.8
Payments	(1.6)
Effect of exchange rates	0.1
Balance—December 31, 2016	4.5
Severance and Employee Benefits | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	35.7
Restructuring charges	0.6
Payments	(6.3)
Changes in estimates	0.0
Effect of exchange rates	(1.5)
Balance—December 31, 2016	28.5
Severance and Employee Benefits | Organizational Redesign
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	33.6
Restructuring charges	6.1
Payments	(18.5)
Changes in estimates	(1.6)
Effect of exchange rates	(0.6)
Balance—December 31, 2016	19.0
Third-Party Contract Terminations | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	7.6
Restructuring charges	0.0
Payments	(3.7)
Changes in estimates	(0.5)
Effect of exchange rates	(0.4)
Balance—December 31, 2016	3.0
Third-Party Contract Terminations | Organizational Redesign
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	0.4
Restructuring charges	0.0
Payments	0.0
Changes in estimates	0.0
Effect of exchange rates	0.0
Balance—December 31, 2016	0.4
Other Exit Costs | Global Integration
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	0.0
Restructuring charges	9.4
Acquisition	0.0
Payments	(1.0)
Effect of exchange rates	0.0
Balance—December 31, 2016	8.4
Other Exit Costs | Acquisition Integration Program
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	0.1
Restructuring charges	6.3
Payments	(1.3)
Changes in estimates	0.0
Effect of exchange rates	0.0
Balance—December 31, 2016	5.1
Other Exit Costs | Organizational Redesign
Restructuring Reserve [Roll Forward]
Balance—July 1, 2016	0.5
Restructuring charges	0.0
Payments	(0.2)
Changes in estimates	0.0
Effect of exchange rates	(0.2)
Balance—December 31, 2016	$ 0.1