Acquisitions (Details) € / shares in Units, € in Millions, $ in Millions	3 Months Ended		8 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Nov. 21, 2016 EUR (€)	Sep. 30, 2015 EUR (€)	Apr. 12, 2016 shares	Mar. 29, 2016	Dec. 31, 2015 € / shares shares
Business Acquisition [Line Items]
Impairment of assets | $	$ 0.0	$ 19.4
Wincor Nixdorf [Member]
Business Acquisition [Line Items]
Business Acquisition, Ordinary Shares Outstanding							29,800,000
Business Acquisition, Ordinary Shares Issued							33,100,000
Business Acquisition, Treasury Shares							3,300,000
Business Acquisition, Share Price | € / shares							€ 38.98
Business Acquisition, Shares Exchanged For Acquiree Shares							0.434
Business Acquisition, Percentage Tendered Of Ordinary Shares Issued						68.90%
Business Acquisition, Percentage Tendered Of Ordinary Shares Outstanding						76.50%
Business Acquisition, Revenue Reported By Target Acquisition For Last Annual Period | €				€ 2,427.0
Phoenix Interactive Design, Inc [Member]
Business Acquisition [Line Items]
Amount of deferred payments related to acquisition | $		$ 12.6
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Payments to Acquire Businesses, Gross | $		$ 72.9
Subsequent Event [Member] | Wincor Nixdorf [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage Tendered Of Ordinary Shares Issued					69.90%
Business Acquisition, Percentage Tendered Of Ordinary Shares Outstanding					77.50%
Business Acquisition, Number Of Ordinary Shares Tendered					22,900,000
Business Acquisition, Number Of Voting Proxies Held					200,000
Payments to Acquire Businesses, Gross | €			€ 1,162.2