Financial Instruments and Fair Value Measurement - Interest Rate Risk (Details) $ in Millions	Sep. 30, 2016 USD ($)
Interest Swap Position One
Derivative [Line Items]
Notional amount of derivative	$ 450.0
Weighted Average Interest Rate	1.00%
Interest Swap Position Two
Derivative [Line Items]
Notional amount of derivative	$ 450.0
Weighted Average Interest Rate	0.89%
Interest Swap Position Three
Derivative [Line Items]
Notional amount of derivative	$ 250.0
Weighted Average Interest Rate	1.16%