Shareholders' Equity, Noncontrolling Interests and Other Comprehensive Income - ATM Program - Additional Information (Details) - ATM Program - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2019
Class Of Stock [Line Items]
Issuance of ordinary shares (in shares)	2,149,154		4,816,505
Gross proceeds	$ 61.6		$ 137.8
Weighted Average Share Price	$ 28.64		$ 28.61
Proceeds from stock plans net of issuance costs	$ 60.6		$ 135.8
Purchase new program included an optional forward purchase component		$ 250.0

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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