Income Taxes (Deferred Income Taxes, Balance Sheet Location) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Other current assets	$ 7,406	$ 26,685
Investments and other assets, net	1,837	3,508
Deferred Tax Liabilities, Net, Current	0	0
Deferred tax liabilities	(111,628)	(43,248)
Net deferred tax liabilities	$ 102,385	$ 13,055

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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Amount after allocation of valuation allowances of noncurrent deferred tax asset attributable to deductible temporary differences and carryforwards. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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- Definition

Amount of deferred tax liability attributable to taxable temporary differences, net of deferred tax asset attributable to deductible temporary differences and carryforwards net of valuation allowances expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

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