Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2012

Employee Benefit Plans [Abstract]

Summary of net periodic pension cost

	Six Months Ended June 30,						Three Months Ended June  30,
	2012			2011			2012			2011
Service cost	$	0.9		$	0.8		$	0.5		$	0.4
Interest cost		1.3			1.3			0.6			0.7
Expected return on plan assets		(1.3	)		(1.4	)		(0.7	)		(0.7	)
Amortization of acturial loss		0.5			-			0.3			-
Net periodic benefit cost	$	1.4		$	0.7		$	0.7		$	0.4