XML 16 R39.htm IDEA: XBRL DOCUMENT v2.4.0.6
RETIREMENT PLANS, Fair Value disclosure (Details) (USD $)
 12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 50,900,000 42,300,000
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 30,100,000 23,800,000
Significant Other Observable Inputs (Level 2) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 20,800,000 18,500,000
Significant Observable Inputs (Level 3) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 0
Equity [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 40,100,000 [1] 32,900,000 [1]
Equity [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 26,700,000 [1] 21,400,000 [1]
Equity [Member] | Significant Other Observable Inputs (Level 2) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 13,400,000 [1] 11,500,000 [1]
Equity [Member] | Significant Observable Inputs (Level 3) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 [1] 0 [1]
Fixed Income Securities [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 7,400,000 [2] 7,000,000 [2]
Fixed Income Securities [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 [2] 0 [2]
Fixed Income Securities [Member] | Significant Other Observable Inputs (Level 2) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 7,400,000 [2] 7,000,000 [2]
Fixed Income Securities [Member] | Significant Observable Inputs (Level 3) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 [2] 0 [2]
Cash and Cash Equivalents [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 3,400,000 2,400,000
Cash and Cash Equivalents [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 3,400,000 2,400,000
Cash and Cash Equivalents [Member] | Significant Other Observable Inputs (Level 2) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 0
Cash and Cash Equivalents [Member] | Significant Observable Inputs (Level 3) [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Fair value of pension plan assets 0 0
Common Stock [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Percentage of common stock included in investments (in hundredths) 19.90% 19.70%
[1] This category includes investment in equity securities of large, medium and small companies and equity investments in foreign companies. Mutual funds included in this category are valued using the net asset value per unit as of the valuation date. These investments include shares of our common stock. At March 31, 2013 and 2012, our common stock represented 19.9% and 19.7% respectively, of the plan assets.
[2] This category includes investments in investment grade fixed income instruments, primarily U.S. government obligations.