Net Income Per Share (TEU) (Details) $ / shares in Units, $ in Millions	Sep. 17, 2018 USD ($) $ / shares shares
Earnings Per Share [Abstract]
Tangible equity units issued | shares	16,500,000
Tangible equity units proceeds | $	$ 799.0
Price for basic share (usd per share)	$ 0.3134
Tangible Equity Units, Price for Shares Diluted	$ 0.3720