Employee Retirement Plans

6 Months Ended

Jun. 30, 2011

Employee Retirement Plans [Abstract]

Employee Retirement Plans

Note 14. Employee Retirement Plans

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

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
				(in millions)
Service cost	$	0.2		$	0.3		$	0.5		$	0.5
Interest		4.9			4.9			9.8			9.8
Expected return on plan assets		(5.7	)		(5.0	)		(11.4	)		(10.0	)
Actuarial loss		0.5			0.6			1.0			1.2
Profit sharing		2.2			2.2			4.5			4.3
Net expense	$	2.1		$	3.0		$	4.4		$	5.8

     Trinity contributed $3.2 million and $8.8 million to the Company’s defined benefit pension plans for the three and six month periods ended June 30, 2011, respectively. Trinity contributed $3.4 million and $6.8 million to the Company’s defined benefit pension plans for the three and six month periods ended June 30, 2010, respectively. Total contributions to the Company’s pension plans in 2011 are expected to be approximately $14.8 million.