Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

	Nine Months Ended
	September 30,
	2012		2011
Supplemental disclosure of cash flow information:
Interest paid	$	5.4	$	5.6
Income taxes paid	$	0.9	$	1.4
Supplemental disclosure of non-cash transactions:
Non-cash capital expenditures	$	1.2	$	0.3