Property, Plant, And Equipment (Tables)

Mar. 31, 2012

Property, Plant And Equipment [Abstract]

Significant Unobservable Inputs in Asset Valuation

Significant Unobservable Inputs	Range	Weighted Average
Weighted average cost of capital	7.5%-8.0%	7.8%
Long-term pre-tax operating margin (cash basis)	6.1%-7.8%	7.2%