Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Schedule of Goodwill

The carrying amount of goodwill by reporting unit is as follows:

	Western Region Operations			Total
	(Dollars in millions)
Balance as of December 31, 2012	$	565.9		$	565.9
Balance as of December 31, 2013	565.9			565.9
Goodwill allocated to sale of business (see Note 3)	(7.0		)	(7.0		)
Balance as of December 31, 2014	$	558.9		$	558.9

Schedule of Acquired Finite-Lived Intangible Assets by Major Class

The intangible assets that continue to be subject to amortization using the straight-line method over their estimated lives are as follows:

	Gross Carrying Amount		Accumulated Amortization			Net Balance		Weighted Average Life (in years)
	(Dollars in millions)
As of December 31, 2014:
Provider networks	$	41.5	$	(36.9	)	$	4.6	18.9
Customer relationships and other	29.5		(22.3		)	7.2		11.1
	$	71.0	$	(59.2	)	$	11.8
As of December 31, 2013:
Provider networks	$	40.5	$	(35.7	)	$	4.8	19.4
Customer relationships and other	29.5		(20.5		)	9.0		11.1
	$	70.0	$	(56.2	)	$	13.8

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Estimated annual pretax amortization expense for other intangible assets for each of the next five years ending December 31 is as follows (dollars in millions):

Year	Amount
2015	$	2.8
2016	2.2
2017	2.2
2018	2.1
2019	0.9

Schedule of Accumulated Other Comprehensive Income (Loss)

Our accumulated other comprehensive income (loss) for the years ended December 31, 2014, 2013 and 2012 is as follows:

	Unrealized Gains (Losses) on investments available-for-sale			Defined Benefit Pension Plans			Accumulated Other Comprehensive Income (loss)
				(Dollars in millions)
Balance as of January 1, 2012	$	29.8		$	(13.2	)	$	16.6
Other comprehensive income (loss) before reclassifications	32.1			(0.4		)	31.7
Amounts reclassified from accumulated other comprehensive income	(23.9		)	2.6			(21.3		)
Other comprehensive income for the year ended December 31, 2012	8.2			2.2			10.4
Balance as of January 1, 2013	$	38.0		$	(11.0	)	$	27.0
Other comprehensive (loss) income before reclassifications	(50.7		)	4.8			(45.9		)
Amounts reclassified from accumulated other comprehensive income	(15.6		)	1.6			(14.0		)
Other comprehensive (loss) income for the year ended December 31, 2013	(66.3		)	6.4			(59.9		)
Balance as of January 1, 2014	$	(28.3	)	$	(4.6	)	$	(32.9	)
Other comprehensive income (loss) before reclassifications	38.3			(7.3		)	31.0
Amounts reclassified from accumulated other comprehensive income	(1.8		)	0.4			(1.4		)
Other comprehensive income (loss) for the year ended December 31, 2014	36.5			(6.9		)	29.6
Balance as of December 31, 2014	$	8.2		$	(11.5	)	$	(3.3	)

Reclassification out of Accumulated Other Comprehensive Income

The following table shows reclassifications out of accumulated other comprehensive income and the affected line items in the consolidated statements of operations for the years ended December 31, 2014, 2013 and 2012:

	Year Ended December 31,									Affected line item in the Consolidated Statements of Operations
	2014			2013			2012
	(Dollars in millions)
Unrealized gains on investments available-for-sale	$	2.7		$	24.0		$	36.7		Net investment income
	2.7			24.0			36.7			Total before tax
	0.9			8.4			12.8			Tax expense
	1.8			15.6			23.9			Net of tax
Amortization of defined benefit pension items:
Prior-service cost	(0.4		)	(0.1		)	(0.1		)	(a)
Actuarial gains (losses)	(0.2		)	(2.5		)	(4.1		)	(a)
	(0.6		)	(2.6		)	(4.2		)	Total before tax
	(0.2		)	(1.0		)	(1.6		)	Tax benefit
	(0.4		)	(1.6		)	(2.6		)	Net of tax
Total reclassifications for the period	$	1.4		$	14.0		$	21.3		Net of tax

_________

(a) These accumulated other comprehensive income components are included in the computation of net periodic pension cost.

Schedule of Change in Accounting Estimate

The financial statement impact of the section 1202 reimbursement methodology change is summarized in the table below.

	Recorded In
	Year Ended December 31, 2013		Year Ended December 31, 2014
(Dollars in millions)	No Risk		No Risk		Full Risk
Health plan services premiums	$	4.4	$	—	$	154.7
Health plan services expenses	—		—		144.0
General and administrative expenses	4.4		—		—
Administrative services fees and other income	6.5		1.4		(7.9		)
Pretax income	$	6.5	$	1.4	$	2.8