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Fair Value Measurements
12 Months Ended
Mar. 31, 2019
Fair Value Measurements [Abstract]  
Fair Value Measurements
Note 4:
Fair Value Measurements

Fair value is defined as the price that would be received for an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants.  Fair value measurements are classified under the following hierarchy:

 
Level 1 – Quoted prices for identical instruments in active markets.
 
Level 2 – Quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; and model-derived valuations in which all significant inputs are observable in active markets.
 
Level 3 – Model-derived valuations in which one or more significant inputs are not observable.

When available, the Company uses quoted market prices to determine fair value and classifies such measurements as Level 1.  In some cases, where market prices are not available, the Company uses observable market-based inputs to calculate fair value, in which case the measurements are classified as Level 2.  If quoted or observable market prices are not available, the Company determines fair value based upon valuation models that use, where possible, market-based data such as interest rates, yield curves or currency rates.  These measurements are classified as Level 3.

The carrying values of cash, cash equivalents, restricted cash, short-term investments, trade accounts receivable, accounts payable, and short-term debt approximate fair value due to the short-term nature of these instruments.  The Company holds trading securities in deferred compensation trusts to fund obligations under certain non-qualified deferred compensation plans.  The securities’ fair values, which are recorded as other noncurrent assets, are determined based upon quoted prices from active markets and classified within Level 1 of the valuation hierarchy.  The Company’s deferred compensation obligations, which are recorded as other noncurrent liabilities, are recorded at the fair values of the investments held by the trust.  The fair values of the Company’s trading securities and deferred compensation obligations each totaled $6.0 million and $5.8 million as of March 31, 2019 and 2018, respectively.  The fair value of the Company’s long-term debt is disclosed in Note 17.

Plan assets related to the Company’s pension plans were classified as follows:

  
March 31, 2019
 
  
Level 1
  
Level 2
  
Total
 
          
Money market investments
 
$
-
  
$
3.9
  
$
3.9
 
Corporate bonds
  
-
   
9.4
   
9.4
 
Pooled equity funds
  
27.7
   
-
   
27.7
 
U.S. government and agency securities
  
-
   
12.3
   
12.3
 
Other
  
0.1
   
0.9
   
1.0
 
Fair value excluding investments measured at net asset value
  
27.8
   
26.5
   
54.3
 
Investments measured at net asset value
          
100.8
 
Total fair value
         
$
155.1
 

  
March 31, 2018
 
  
Level 1
  
Level 2
  
Total
 
          
Money market investments
 
$
-
  
$
11.4
  
$
11.4
 
Common stocks
  
9.4
   
2.6
   
12.0
 
Corporate bonds
  
-
   
9.7
   
9.7
 
Pooled equity funds
  
64.4
   
-
   
64.4
 
Pooled fixed-income funds
  
27.3
   
-
   
27.3
 
U.S. government and agency securities
  
-
   
16.2
   
16.2
 
Other
  
0.2
   
1.7
   
1.9
 
Fair value excluding investment measured at net asset value
  
101.3
   
41.6
   
142.9
 
Investment measured at net asset value
          
14.8
 
Total fair value
         
$
157.7
 

The Company determined the fair value of money market investments to approximate their net asset values, without discounts for credit quality or liquidity restrictions, and classified them within Level 2 of the valuation hierarchy.  The Company determined the fair value of common stocks, pooled equity funds and pooled fixed-income funds based upon quoted prices from active markets and classified them within Level 1 of the valuation hierarchy.  The Company determined the fair value of certain common stocks, corporate bonds and U.S. government and agency securities based upon recent bid prices or the average of recent bid and asking prices when available and, if not available, the Company valued them through matrix pricing models developed by sources considered by management to be reliable.  The Company classified these assets within Level 2 of the valuation hierarchy.  As of March 31, 2019 and 2018, the Company held no Level 3 assets within its pension plans.

As a practical expedient, the Company valued certain investments, including pooled equity, fixed-income and real estate funds, using their net asset value (NAV) per unit, and therefore, has not classified these investments within the fair value hierarchy.  The increase in investments valued at NAV in fiscal 2019 was associated with the Company’s revised target asset allocations for its U.S. pension plan; see Note 18 for additional information.  The terms and conditions for redemptions vary for the investments valued at NAV.  The real estate investment fund may be redeemed at any time with a 90-day notice period.  Other investments valued at NAV do not have restrictive redemption frequency or notice period requirements.  The Company does not intend to sell or otherwise dispose of these investments at prices different than the NAV per unit.