Debt (Summary Of Long-Term Debt) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 2,180,000	$ 2,180,000
Debt Instrument, Unamortized Discount	(26,003)	(26,685)
Long-term Debt	2,153,997	2,153,315
Term-A Facility [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	880,000	880,000
Long-term Debt	876,575	876,358
7.75% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	700,000	700,000
Long-term Debt	687,683	687,423
4.75% Senior Notes [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	600,000	600,000
Long-term Debt	$ 589,739	$ 589,534

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date before deducting unamortized discount or premiums (if any). May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer.

+ References+ Details

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References+ Details

- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References+ Details