Employee Retirement Plans

3 Months Ended

Mar. 31, 2012

Employee Retirement Plans [Abstract]

Employee Retirement Plans

Note 12. Employee Retirement Plans

The following table summarizes the components of net retirement cost for the Company:

	Three Months Ended March  31,
	2012			2011
	(in millions)
Service cost	$	0.2		$	0.3
Interest		4.8			4.9
Expected return on plan assets		(5.6	)		(5.7	)
Actuarial loss		0.9			0.5
Defined benefit expense		0.3			0.0
Profit sharing		2.6			2.3
Net expense	$	2.9		$	2.3

Trinity contributed $6.1 million and $5.6 million to the Company’s defined benefit pension plans for the three month periods ended March 31, 2012 and 2011, respectively. Total contributions to the Company’s defined benefit pension plans in 2012 are expected to be approximately $17.3 million.