Leases (Tables)

12 Months Ended

Dec. 31, 2011

Leases [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The following is a schedule by year of future minimum payments required under the operating leases that have initial or remaining noncancelable lease terms in excess of one year as of December 31, 2011:

in millions
2012	$	11.7
2013	12.1
2014	11.9
2015	10.0
2016	9.3
2017 and thereafter	37.3
Total minimum lease payments	$	92.3