Equity (Details) $ / shares in Units, $ in Millions	Jul. 26, 2016 USD ($) shares	Jul. 21, 2016 USD ($) shares	Jul. 31, 2016 € / shares shares	Jul. 21, 2016 € / shares shares	Jul. 21, 2016 $ / shares shares	Oct. 31, 2015 € / shares shares
Class of Stock [Line Items]
Proceeds from partner contribution | $		$ 1.2
Common stock, par value (in dollars per share) | € / shares			€ 0.01	€ 0.01		€ 0.01
Proceeds from IPO | $	$ 584.8
Common stock, shares outstanding (in shares)			145,074,042	115,609,756	115,609,756	145,074,042
IPO
Class of Stock [Line Items]
IPO price per shares (in USD per share) | $ / shares					$ 21.00
Rights to purchase addition ordinary shares (in shares)		4,464,286
Issuance of ordinary shares (in shares)	29,464,286
IPO | Ordinary Shares
Class of Stock [Line Items]
Shares offered as part of IPO (in shares)		34,226,191
Koninklijke DSM | IPO
Class of Stock [Line Items]
Issuance of ordinary shares (in shares)	4,761,905	4,761,905