Acquisitions (Summary Of The Third-Party Debt Assumed And Not Repaid In Connection With The Close Of The Acquisitions) (Details)	Nov. 30, 2010
Pennsylvania Industrial Development Authority Mortgage Note Due Two Thousand Eighteen Interest Rate Of Three Percentage [Member]
Business Acquisition [Line Items]
Stated interest rate	3.00%
Debt Instrument Maturity Dates	2018
Secured Promisory Note Due Two Thousand Fourteen Interest Rate Of Six Point Two Five Percent [Member]
Business Acquisition [Line Items]
Stated interest rate	6.25%
Debt Instrument Maturity Dates	2014