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Fair Value of Assets and Liabilities (Details Textual)
Jul. 01, 2012
Fair Value of Assets and Liabilities (Textual) [Abstract]  
Notes bear interest at a rate 7.75%
Senior Notes Due 2012 [Member]
 
Fair Value of Assets and Liabilities (Textual) [Abstract]  
Notes bear interest at a rate 6.625%
Senior Note Due 2017 [Member]
 
Fair Value of Assets and Liabilities (Textual) [Abstract]  
Notes bear interest at a rate 7.75%
Senior Notes Due 2021 [Member]
 
Fair Value of Assets and Liabilities (Textual) [Abstract]  
Notes bear interest at a rate 6.625%