Merger, Integration and Restructuring Charges: (Tables)

3 Months Ended

Mar. 31, 2015

Merger Integration and Restructuring Charges [Abstract]

Schedule of Merger, Integration and Restructuring Activities

The following is a summary of the merger, integration and restructuring charges recorded for the three month periods ended March 31:

	Three Months Ended
(Millions)	2015		2014
Merger and integration costs:
Information technology conversion costs	$	3.5	$	7.1
Consulting and other costs	10.6		0.8
Total merger and integration costs	14.1		7.9
Restructuring charges	7.0		12.4
Total merger, integration and restructuring charges	$	21.1	$	20.3

Schedule of Restructuring and Reorganization Costs (Benefits), Net

The following is a summary of the activity related to the liabilities associated with merger, integration and restructuring charges at March 31:

(Millions)	2015
Balance, beginning of period	$	11.2
Merger, integration and restructuring charges	21.1
Cash outlays during the period	(19.8		)
Balance, end of period	$	12.5