Income Taxes (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Income Tax Disclosure [Abstract]
Income tax (provision) benefit	$ (4,850,000)	$ 2,304,000
Unrecognized tax benefits, interest recognized	0	0
Unrecognized tax benefits, penalties recognized	0	0
Cash paid for income taxes	$ 2,400,000	$ 4,000,000

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

+ References+ Details

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

+ References+ Details

- Definition

This element represents the recognized expense for the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties or, if not recognizing the expense in the period in which the tax return was initially filed, the expense is generally recognized in the period in which the enterprise's judgment about meeting the minimum statutory threshold changes.

+ References+ Details

- Definition

This element represents interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

+ References+ Details