Fair Value of Financial Instruments (Policies)

12 Months Ended

Jan. 31, 2016

Accounting Policies [Abstract]

Fair Value Measurement, Policy [Policy Text Block]

Level 1 – Quoted prices in active markets for identical assets or liabilities and are considered to be most reliable.

Level 2 – Observable market-based inputs or unobservable inputs that are corroborated by market data.

Level 3 – Unobservable inputs reflecting the reporting entity's own assumptions and require the most judgment.

Fair Value of Financial Instruments, Policy [Policy Text Block]

The Company's foreign exchange forward contracts, as well as its put option contracts, are primarily valued using the appropriate foreign exchange spot rates. The Company's precious metal forward contracts and collars are primarily valued using the relevant precious metal spot rate. The Company's interest rate swaps were primarily valued using the 3-month LIBOR rate.