16. Employee Benefit Plans and Employment Agreements (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Sep. 30, 2011 As restated and amended [Member]	Sep. 30, 2011 As restated and amended [Member]
Components of Pension Benefit Expense:
Service cost	$ 0.2	$ 0.7	$ 0.2	$ 0.7
Interest cost	8.7	26.1	9.2	27.6
Expected return on plan assets	(8.6)	(25.7)	(8.5)	(25.6)
Net loss amortization	2.6	7.8	1.7	5.2
Pension benefit cost	$ 2.9	$ 8.9	$ 2.6	$ 7.9