Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2011

Supplemental Cash Flow Elements [Abstract]

Supplemental cash flow information

	Nine Months Ended
	September 30,
	2011		2010
Supplemental disclosure of cash flow information:
Interest paid	$	5.6	$	1.5
Income taxes paid	$	1.4	$	0.3
Supplemental disclosure of non-cash transactions:
Non-cash capital expenditures	$	0.3	$	0.6
Issuance of Nichols Promissory Note - Note 4	$	—	$	6.7