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	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Dec. 09, 2016 EUR (€)
Carrying Value [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations	$ 2,106.8	$ 2,079.7
Estimate of Fair Value Measurement [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt Instrument, Fair Value Disclosure	2,139.4	2,107.1
Four Point Seven Five Percent Senior Euro Denominated Notes [Member]
Fair Value Measurements Of Financial Instruments [Line Items]
Debt and Capital Lease Obligations | €			€ 380.0
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	441.6	424.3
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	474.6	454.0
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	1,665.2	1,655.4
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	$ 1,664.8	$ 1,653.1