CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010
Cash Flows from Operating Activities:
Net Income	$ 26,623	$ 53,658
Adjustments to reconcile Net Income to net cash from operating activities:
Depreciation and amortization	16,985	15,889
Stock-based compensation expense	7,085	7,477
Excess income tax benefit from stock-based compensation	(18)	0
Deferred Income Taxes	(1,275)	(2,124)
Loss on sale of equipment	146	434
Other Long-term Liabilities	(3,323)	(3,077)
Other non-cash items	(1,399)	182
Changes in other components of working capital	(132,200)	(59,755)
NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES	(87,376)	12,684
Cash Flows from Investing Activities:
Acquisitions, net of cash balance acquired	(161,711)	0
Business acquisition related payments	(3,000)	(6,734)
Acquisition of Property and Equipment	(22,171)	(8,509)
Proceeds from sale of Property and Equipment	3,422	808
Proceeds from sale of available-for-sale securities	7,388	525
Change in Restricted Cash	(3,822)	(23,523)
Investment in other activities	(2,725)	(146)
NET CASH USED IN INVESTING ACTIVITIES	(182,619)	(37,579)
Cash Flows from Financing Activities:
Proceeds from Debt	258,175	8,724
Repayment of Debt	(36,621)	(16,181)
Common Stock repurchased under share repurchase program	0	(11,200)
Excess income tax benefit from stock-based compensation	18	0
Issuance of Common Stock and effect of cashless exercise	256	63
Debt issuance costs	(2,233)	(1,608)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	219,595	(20,202)
Net Decrease in Cash and Cash Equivalents	(50,400)	(45,097)
Cash and Cash Equivalents at Beginning of Year	471,378	348,309
Cash and Cash Equivalents at End of Period	420,978	303,212
Supplemental Disclosure of Cash Paid During the Period For:
Interest	14,273	2,868
Income taxes	22,356	20,306
Supplemental Disclosure of Non-cash Transactions:
Property and Equipment acquired through financing arrangements	1,604	6,054
Grant date fair value of common stock issued for services	$ 4,039	$ 18,667

Cash outflow representing the payment of all, or a portion, of the deferred purchase price of a previous business acquisition.

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The cash inflow associated with the amount received from holders exercising their stock options, net of the cash outflow paid by the company to cover an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. This item inherently excludes any excess tax benefit which the company may have realized and reported separately.

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Includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the Entity may deposit additional funds at any time and also effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Compensating balance arrangements that do not legally restrict the withdrawal or usage of cash amounts may be reported as Cash and Cash Equivalents, while legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits are not generally reported as cash and cash equivalents. Includes cash and cash equivalents associated with the entity's continuing operations. Excludes cash and cash equivalents associated with the disposal group (and discontinued operation).

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The component of income tax expense for the period representing the increase (decrease) in the entity's deferred tax assets and liabilities pertaining to continuing operations.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified share-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element represents the cash inflow reported in the enterprise's financing activities.

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Reductions in the entity's income taxes that arise when compensation cost (from non-qualified equity-based compensation) recognized on the entity's tax return exceeds compensation cost from equity-based compensation recognized in financial statements. This element reduces net cash provided by operating activities.

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The fair value of assets acquired in noncash investing or financing activities.

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The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period. This element refers to the gain (loss).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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The increase (decrease) during the reporting period in other assets used in operating activities less other operating liabilities used in operating activities not separately disclosed in the statement of cash flows. May include changes in other current assets and liabilities, other noncurrent assets and liabilities, or a combination of other current and noncurrent assets and liabilities.

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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.

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The amount of cash paid for interest during the period.

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The net cash inflow or outflow from investing activity.

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The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed.

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The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

The cash outflow for loan and debt issuance costs.

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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The cash inflow associated with the sale of debt securities classified as available-for-sale securities.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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The fair value of stock issued in noncash financing activities.

+ References

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