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FAIR VALUE (Tables)
9 Months Ended
May 31, 2021
Fair Value Disclosures [Abstract]  
Financial assets and financial liabilities measured at fair value on a recurring basis
The following tables summarize information regarding the Company's financial assets and financial liabilities that were measured at fair value on a recurring basis:
  Fair Value Measurements at Reporting Date Using
(in thousands)May 31, 2021Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
Assets:
Investment deposit accounts (1)
$415,850 $415,850 $— $— 
Commodity derivative assets (2)
11,193 712 — 10,481 
Foreign exchange derivative assets (2)
5,482 — 5,482 — 
Liabilities:
Commodity derivative liabilities (2)
6,325 6,325 — — 
Foreign exchange derivative liabilities (2)
1,236 — 1,236 — 
  Fair Value Measurements at Reporting Date Using
(in thousands)August 31, 2020Quoted Prices in
Active Markets for
Identical Assets
(Level 1)
Significant Other
Observable Inputs
(Level 2)
Significant
Unobservable Inputs
(Level 3)
Assets:
Investment deposit accounts (1)
$449,824 $449,824 $— $— 
Commodity derivative assets (2)
202 202 — — 
Foreign exchange derivative assets (2)
1,484 — 1,484 — 
Liabilities:
Commodity derivative liabilities (2)
19,000 3,993 — 15,007 
Foreign exchange derivative liabilities (2)
459 — 459 — 
_________________ 
(1) Investment deposit accounts are short-term in nature, and the value is determined by principal plus interest. The investment portfolio mix can change each period based on the Company's assessment of investment options.
(2) Derivative assets and liabilities classified as Level 1 are commodity futures contracts valued based on quoted market prices in the London Metal Exchange or New York Mercantile Exchange. Amounts in Level 2 are based on broker quotes in the over-the-counter market. Derivatives classified as Level 3 are described below. Further discussion regarding the Company's use of derivative instruments is included in Note 9, Derivatives.

The fair value estimate of the Level 3 commodity derivative is based on an internally developed discounted cash flow model primarily utilizing unobservable inputs in which there is little or no market data. The Company forecasts future energy rates using a range of historical prices ("floating rate"). The floating rate is the only significant unobservable input used in the Company's discounted cash flow model.
May 31, 2021
Unobservable InputsLowHighAverage
Floating rate (PLN)217.38 296.36 251.10 
May 31, 2020
Unobservable InputsLowHighAverage
Floating rate (PLN)151.74 265.00 207.50 
Fair value, net derivative asset (liability) measured on recurring basis, unobservable input reconciliation Below is a reconciliation of the beginning and ending balances of the Level 3 commodity derivative recognized in the condensed consolidated statements of comprehensive income. The fluctuation in energy rates over time may cause volatility in the fair value estimate and is the primary reason for unrealized gains and losses included in other comprehensive income ("OCI") in the three and nine months ended May 31, 2021 and 2020.
(in thousands)Three Months Ended May 31, 2021
Balance, March 1, 2021$(4,285)
Total gains, realized and unrealized
Unrealized holding gain(1)
15,459 
Reclassification for gain included in net earnings(2)
(693)
Balance, May 31, 2021$10,481 
(in thousands)Nine Months Ended May 31, 2021
Balance, September 1, 2020$(15,007)
Total gains, realized and unrealized
Unrealized holding gain(1)
26,434 
Reclassification for gain included in net earnings(2)
(946)
Balance, May 31, 2021$10,481 
(in thousands)Three Months Ended May 31, 2020
Balance, March 1, 2020$(3,586)
Total losses, realized and unrealized
Unrealized holding loss(1)
(6,443)
Reclassification for loss included in net earnings(2)
— 
Balance, May 31, 2020$(10,029)
(in thousands)Nine Months Ended May 31, 2020
Balance, September 1, 2019$— 
New commodity contract1,083 
Total losses, realized and unrealized
Unrealized holding loss(1)
(11,112)
Reclassification for loss included in net earnings(2)
— 
Balance, May 31, 2020$(10,029)
________________
(1)    Unrealized holding gains/(losses) are included in OCI in the condensed consolidated statements of comprehensive income.
(2)    (Gains)/losses included in net earnings are recorded in cost of goods sold in the condensed consolidated statements of earnings.
Financial assets and liabilities not required to be measured at fair value The carrying values and estimated fair values of the Company's financial assets and liabilities that are not required to be measured at fair value on the condensed consolidated balance sheets were as follows:
 May 31, 2021August 31, 2020
(in thousands)Fair Value HierarchyCarrying ValueFair ValueCarrying ValueFair Value
2031 Notes (1)
Level 2$300,000 $298,455 $— $— 
2027 Notes (1)
Level 2300,000 318,003 300,000 319,377 
2023 Notes (1)
Level 2330,000 347,912 330,000 345,335 
Poland Term Loan(2)
Level 254,606 54,606 40,713 40,713 
Short-term borrowings (2)
Level 228,900 28,900 — — 
2026 Notes (1)
Level 2— — 350,000 367,374 
_________________ 
(1) The fair values of the Notes were determined based on indicated market values.
(2) The Poland Term Loan and short-term borrowings contain variable interest rates, and as a result, the carrying values approximate fair value.