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Significant Accounting Policies Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2014

Significant Accounting Policies [Abstract]

Option Indexed to Issuer's Equity, Description [Text Block]

Capped Call

On April 2, 2012, the Company entered into capped call transactions with a counterparty, paying $48 million for the purchase of the capped calls, which were recorded as additional paid in capital. The capped call transactions are intended to reduce potential economic dilution upon conversion of the 3.75% Convertible Senior Subordinated Notes due 2042. The capped calls settle in tranches through March 2016, one of which settled in the first quarter of 2014. The adjusted strike price for the capped calls ranged from $40.96 to $41.05 and the adjusted cap price for the tranche settled in 2014 ranged from $56.75 to $56.88; the strike and cap prices adjust for the Company's dividend payments. The Company received approximately 0.6 million net shares upon settlement with a value of approximately $38 million.

Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]

Stock-Based Compensation

Stock-based compensation expense recognized in the Consolidated Statement of Comprehensive Income for stock options, restricted stock units, performance share units and stock awards totaled approximately $5 million and $11 million for the three and six months ended June 30, 2014 and $5 million and $9 million for the three and six months ended June 30, 2013, respectively.

Income Tax, Policy [Policy Text Block]

Income Taxes

The quarterly effective tax rates are different than the federal statutory rate largely as a result of the impact of state and local income taxes and certain non-deductible charges.

Trade and Other Accounts Receivable, Policy [Policy Text Block]

Accounts Receivable

The following table is an aging of the Company’s gross accounts receivable (net of allowances for contractual adjustments), aged based on payment terms and categorized based on the three primary types of accounts receivable characteristics (in thousands):



June 30, 2014	Current and 0-180 Days Past Due		181 Days and Over Past Due		Total
Medicare (Part D and Part B), Medicaid and Third-Party payors	$	213,869	$	51,289	$	265,158
Facility payors	326,672		130,346		457,018
Private Pay payors	76,507		86,491		162,998
Total gross accounts receivable	$	617,048	$	268,126	$	885,174
December 31, 2013
Medicare (Part D and Part B), Medicaid and Third-Party payors	$	195,544	$	67,791	$	263,335
Facility payors	328,444		146,751		475,195
Private Pay payors	75,655		84,101		159,756
Total gross accounts receivable	$	599,643	$	298,643	$	898,286

Common Stock Repurchase Agreement [Policy Text Block]

Common Stock Repurchase Program

In the six months ended June 30, 2014, the Company repurchased approximately 2.7 million shares through its authorized share repurchase program at an aggregate cost of approximately $160 million. Cumulatively, since the inception of the share repurchase programs in May 2010 through June 30, 2014, the Company has repurchased approximately 27 million shares of common stock repurchased at an aggregate cost of approximately $1 billion. In the six months ended June 30, 2013, the Company repurchased approximately 1.9 million shares at an aggregate cash outlay approximately $100 million through authorized share repurchase programs. The cash expenditure in the six months ended June 30, 2013 includes the impact of the equity forward contract components of the Company's two previously disclosed accelerated share repurchase programs. The Company had approximately $340 million of share repurchase authority remaining as of June 30, 2014, which expires on December 31, 2015.

- Definition

Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.

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- Definition

The entire disclosure for freestanding option contracts issued by an entity that are indexed to, and potentially settled in, an entity's own stock. Includes disclosure on the strike price and the number of shares to which the contract is indexed, the settlement date or dates of the contract, and the issuer's accounting for the contract. If the terms of the contract provide settlement alternatives, those settlement alternatives are disclosed, including who controls the settlement alternatives, and the maximum number of shares that could be required to be issued, to net share settle the contract, if applicable. If a contract does not have a fixed or determinable maximum number of shares that could be required to be issued, the fact that a potentially infinite number of shares that may be required to be issued to settle the contract is disclosed. Disclosure also includes the contract's current fair value for each settlement alternative and how changes in the price of the issuer's equity instruments affect those settlement amounts.

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- Definition

Disclosure of accounting policy for trade and other accounts receivables. This disclosure may include the basis at which such receivables are carried in the entity's statements of financial position (for example, net realizable value), how the entity determines the level of its allowance for doubtful accounts, when impairments, charge-offs or recoveries are recognized, and the entity's income recognition policies for such receivables, including its treatment of related fees and costs, its treatment of premiums, discounts or unearned income, when accrual of interest is discontinued, how the entity records payments received on nonaccrual receivables and its policy for resuming accrual of interest on such receivables. If the enterprise holds a large number of similar loans, disclosure may include the accounting policy for the anticipation of prepayments and significant assumptions underlying prepayment estimates for amortization of premiums, discounts, and nonrefundable fees and costs.

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