Segment Data (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Restructuring-related charges (reversals)	$ 14.4	$ 17.7	$ 13.3	$ 9.1	$ 33.1	$ 69.1	$ 9.6	$ 10.0
Amortization expense related to acquired intangible assets									59.2	44.3	23.7
Curtailment or termination loss (gain) loss										(7.4)
Pension and other postretirement benefit plan asset and actuarial net gain (loss)	83.0				27.8	(49.6)			83.0	(21.8)	(94.7)
Total revenue	1,006.1	890.5	886.7	884.3	967.4	919.2	918.6	992.5	3,667.6	3,797.6	4,173.0
Property, plant and equipment, net	812.4				845.3				812.4	845.3	888.8
Gain on sale of inkjet-related techology and assets			73.5						73.5	0	0
ISS [Member]
Segment Reporting Information [Line Items]
Restructuring-related charges (reversals)									25.2	85.5	9.7
Total revenue									3,444.0	3,641.6	4,078.2
All Other [Member]
Segment Reporting Information [Line Items]
Restructuring-related charges (reversals)									7.9	19.1	3.8
Perceptive Software [Member]
Segment Reporting Information [Line Items]
Restructuring-related charges (reversals)									4.7	0.7
Amortization expense related to acquired intangible assets									56.4	40.9	20.7
Total revenue									223.6	156.0	94.8
Dell [Member] | Customer Concentration Risk [Member]
Segment Reporting Information [Line Items]
Sales to single customer as a percentage of total revenue											10.00%
Total revenue											414.7
United States [Member]
Segment Reporting Information [Line Items]
Total revenue									1,576.8	1,695.5	1,755.4
Property, plant and equipment, net	466.2				445.3				466.2	445.3	460.3
Philippines [Member]
Segment Reporting Information [Line Items]
Property, plant and equipment, net	$ 83.9				$ 125.9				$ 83.9	$ 125.9	$ 150.7