Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Schedule of Weighted Average Number of Shares [Table Text Block]

The following is a reconciliation of basic shares to diluted shares:

	Years Ended December 31,
(in millions)	2013	2012	2011
Weighted-average shares - basic	156.6	145.1	144.8
Effect of dilutive securities	2.1	0.7	0.1
Weighted-average shares - diluted	158.7	145.8	144.9