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Long-Term Debt (Schedule Of Call Option Jointly And Severally Guaranteed By The Company's Wholly-Owned U.S. And Canadian Subsidiaries) (Details)
0 Months Ended9 Months Ended
Apr. 01, 2011
Apr. 01, 2010
Apr. 01, 2009
Sep. 30, 2011
Long-Term Debt    
Call Option, Beginning DateApr. 01, 2011[1]Apr. 01, 2010[1]Apr. 01, 2009[1]
Call Option, Beginning Date, April 1, 2012Apr. 01, 2012[1]
Call Option, Beginning Date, April 1, 2013Apr. 01, 2013[1]
Call Option, Beginning Date, April 1, 2014Apr. 01, 2014[1]
Call Option, Beginning Date, April 1, 2015Apr. 01, 2015[1]
Call Option, Percentage100.00%[1]101.00%[1]102.00%[1] 
Call Option, Percentage, April 1, 2012   103.563%[1]
Call Option, Percentage, April 1, 2013   102.375%[1]
Call Option, Percentage, April 1, 2014   101.188%[1]
Call Option, Percentage, April 1, 2015   100.00%[1]
[1]The Company may, at its option, redeem the Notes on or after the following dates and percentages (plus interest due)