Long-Term Obligations and Other Short-Term Borrowings Fair Value Measurements of Financial Instruments - Carrying Amounts and Estimated Fair Value of Financial Instruments (Details) € in Millions, $ in Millions	Mar. 31, 2017 USD ($)	Dec. 09, 2016 EUR (€)	Jun. 30, 2016 USD ($)
Carrying Value [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	$ 2,049.0		$ 1,860.5
Estimate of Fair Value Measurement [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt Instrument, Fair Value Disclosure	2,078.8		1,868.8
Four Point Seven Five Percent Senior Euro Denominated Notes [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	406.2	€ 380.0	0.0
Fair Value, Inputs, Level 1 [Member] | Four Point Seven Five Percent Senior Euro Denominated Notes [Member] | Carrying Value [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	406.2		0.0
Fair Value, Inputs, Level 1 [Member] | Four Point Seven Five Percent Senior Euro Denominated Notes [Member] | Estimate of Fair Value Measurement [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	429.6		0.0
Fair Value, Inputs, Level 2 [Member] | Term Loan Three Facility Dollar Denominated [Member] | Carrying Value [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	1,642.8		1,860.5
Fair Value, Inputs, Level 2 [Member] | Term Loan Three Facility Dollar Denominated [Member] | Estimate of Fair Value Measurement [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	$ 1,649.2		$ 1,868.8