Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) $ in Millions	Mar. 31, 2017 USD ($) $ / shares shares	Dec. 31, 2016 USD ($) shares	Dec. 31, 2016 € / shares
Statement of Financial Position [Abstract]
Receivables, allowances | $	$ 104.2	$ 85.6
Property, plant and equipment, accumulated depreciation | $	1,765.0	1,691.8
Intangible assets, accumulated amortization | $	$ 319.5	$ 245.9
Ordinary shares, par value (in dollars/EUR per share) | (per share)	$ 1.00		€ 0.7625
Ordinary shares, shares authorized (in shares)	525,000,000	119,200,000.0
Ordinary shares, shares issued (in shares)	347,400,000.0	3,300,000.0
Canceled shares (in shares)		3,200,000.0
Ordinary shares, shares outstanding (in shares)	466,600,000.0	118,900,000.0
Ordinary shares, held in employee benefit trust (in shares)	100,000.0
Treasury stock (in shares)		300,000.0