Interest

9 Months Ended

Sep. 30, 2011

Interest

Interest

4.       Interest

	Third Quarter Ended						Nine Months Ended
	September 30						September 30
(millions)	2011			2010			2011			2010
Interest expense	$	15.9		$	16.3		$	45.7		$	48.7
Interest income	(2.7		)	(1.4		)	(5.9		)	(3.8		)
Interest expense, net	$	13.2		$	14.9		$	39.8		$	44.9