Share-Based Compensation (Summary of Option Transactions) (Details)			12 Months Ended
		Jan. 11, 2017 $ / shares	Dec. 31, 2018 $ / shares shares	Dec. 31, 2017 $ / shares shares	Dec. 31, 2017 $ / shares € / shares shares	Dec. 31, 2016 $ / shares € / shares shares	Dec. 31, 2015 € / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price | $ / shares	[1]		$ 41.97	$ 34.42	$ 34.42	$ 22.47
Stock Option Activity
Number of options outstanding, beginning balance			4,883,800	2,188,800	2,188,800	2,420,500
Number of options adjusted due to FMC technologies transaction	[2]			2,188,800	2,188,800
Number of options granted			602,200	798,400	798,400	595,100
Number of options exercised			0			(25,500)
Number of options cancelled			(827,600)	(292,200)	(292,200)	(801,300)
Number of options outstanding, ending balance			4,658,400	4,883,800	4,883,800	2,188,800	2,420,500
Stock Option Weighted Average Exercise Price
Options outstanding, weighted average exercise price per share, beginning balance (in dollars per share) | (per share)			$ 36.35		$ 61.72	$ 61.88
Options adjusted due to FMC Technologies transaction, weighted average exercise price per share (in dollars per share) | $ / shares	[2]	$ 0
Options granted, weighted average exercise price per share (in dollars per share) | (per share)			30.70	$ 29.29		48.33
Options exercised, weighted average exercise price per share (in dollars per share) | (per share)			0.00			57.22
Options cancelled, weighted average exercise price per share (in dollars per share) | (per share)			47.20	47.60		52.43
Options outstanding, weighted average exercise price per share, ending balance (in dollars per share) | (per share)			$ 33.68	$ 36.35		$ 61.72	€ 61.88
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options outstanding, Weighted average remaining contractual term (in years)			4 years 9 months	4 years 7 months	4 years 7 months	5 years	3 years 6 months
Options exercisable, number of options (in shares)			1,114,900
Options exercisable, weighted average exercise price per share (in dollars per share) | $ / shares			$ 52.37
Options exercisable, Weighted average remaining contractual term (in years)			1 year 3 months

[1] The weighted-average fair value was based on performance share units granted during the period.

[2] The Weighted-Average Grant Date Fair Value for the increase in shares due to the merger remains at $0.00 in order to recalculate the new weighted average for the December 31, 2016 nonvested shares (see Note 2).