Consolidated Statement Of Total Equity (Parenthetical) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011
Tax benefit on adjustment for funded status of pension and postretirement benefit plans	$ 6,663
Tax benefit on amortization of terminated value of forward starting interest rate swap agreements into interest expense	283
Total Shareholders' Equity [Member]
Tax benefit on adjustment for funded status of pension and postretirement benefit plans	6,663
Tax benefit on amortization of terminated value of forward starting interest rate swap agreements into interest expense	283
Accumulated Other Comprehensive Loss [Member]
Tax benefit on adjustment for funded status of pension and postretirement benefit plans	6,663
Tax benefit on amortization of terminated value of forward starting interest rate swap agreements into interest expense	$ 283