Income Taxes	6 Months Ended
Jun. 30, 2013
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes For the three and six months ended June 30, 2013, income tax expense attributable to continuing operations was $83,850 and $120,499, respectively, representing an effective tax rate of 38% for both periods. The effective tax rate differs from the federal statutory rate of 35% due primarily to state income tax expense of $4,687 and $6,709, for the three and six months ended June 30, 2013, respectively, tax expense of $2,334 resulting from an increase in the valuation allowance with regard to foreign tax credit carry forwards for both the three and six months ended June 30, 2013, partially offset by a tax benefit of $1,027 relating to uncertain tax positions, including accrued interest, for the three months ended June 30, 2013. For the three and six months ended June 30, 2012, income tax expense attributable to continuing operations was $26,898 and $50,868, respectively, representing an effective tax rate of 39% and 38%, respectively. The effective tax rate differs from the federal statutory rate of 35% due primarily to state income tax expense of $1,710 and $3,064, and tax expense of $866 and $1,630 related to uncertain tax positions, including accrued interest, for the three and six months ended June 30, 2012, respectively, partially offset by a tax benefit of $1,800 resulting from a decrease in the valuation allowance with regard to certain local income tax credit carry forwards, for the six months ended June 30, 2012. At June 30, 2013, the Company had foreign tax credit carry forwards of approximately $20,000, expiring on various dates from 2014 through 2023. For the six months ended June 30, 2013, excess tax benefits of $2,893 relating to share-based compensation awards and $811 relating to amortization of tax deductible second component goodwill were realized as a reduction in tax liability (as determined on a 'with-and-without' approach). Under the Company's Tax Disaffiliation Agreement with Cablevision, Cablevision is liable for all income taxes of the Company for periods prior to the Distribution except for New York City Unincorporated Business Tax. In June 2013, the Company settled a New York City Unincorporated Business tax audit for the years 2006 and 2007 for $447, including accrued interest. The City of New York is currently auditing the Company's Unincorporated Business Tax Return for 2008. The Internal Revenue Service is currently auditing the Company's U.S. Corporation Income Tax Return for 2011.

Income Taxes

For the three and six months ended June 30, 2013, income tax expense attributable to continuing operations was $83,850 and $120,499, respectively, representing an effective tax rate of 38% for both periods. The effective tax rate differs from the federal statutory rate of 35% due primarily to state income tax expense of $4,687 and $6,709, for the three and six months ended June 30, 2013, respectively, tax expense of $2,334 resulting from an increase in the valuation allowance with regard to foreign tax credit carry forwards for both the three and six months ended June 30, 2013, partially offset by a tax benefit of $1,027 relating to uncertain tax positions, including accrued interest, for the three months ended June 30, 2013.

For the three and six months ended June 30, 2012, income tax expense attributable to continuing operations was $26,898 and $50,868, respectively, representing an effective tax rate of 39% and 38%, respectively. The effective tax rate differs from the federal statutory rate of 35% due primarily to state income tax expense of $1,710 and $3,064, and tax expense of $866 and $1,630 related to uncertain tax positions, including accrued interest, for the three and six months ended June 30, 2012, respectively, partially offset by a tax benefit of $1,800 resulting from a decrease in the valuation allowance with regard to certain local income tax credit carry forwards, for the six months ended June 30, 2012.

At June 30, 2013, the Company had foreign tax credit carry forwards of approximately $20,000, expiring on various dates from 2014 through 2023. For the six months ended June 30, 2013, excess tax benefits of $2,893 relating to share-based compensation awards and $811 relating to amortization of tax deductible second component goodwill were realized as a reduction in tax liability (as determined on a 'with-and-without' approach).

Under the Company's Tax Disaffiliation Agreement with Cablevision, Cablevision is liable for all income taxes of the Company for periods prior to the Distribution except for New York City Unincorporated Business Tax. In June 2013, the Company settled a New York City Unincorporated Business tax audit for the years 2006 and 2007 for $447, including accrued interest. The City of New York is currently auditing the Company's Unincorporated Business Tax Return for 2008. The Internal Revenue Service is currently auditing the Company's U.S. Corporation Income Tax Return for 2011.