Retirement and Postretirement Benefit Plans - Summary of Fair Value of Defined Benefit Pension Plan Assets, Pension Plans (Detail) (USD $) In Thousands, unless otherwise specified	Feb. 28, 2014	Feb. 28, 2013	Feb. 29, 2012
U.S., Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	$ 719	$ 713
U.S., Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	42,599	41,106
U.S., Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	38,154	38,223
International, Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	259	651
International, Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	9,470	8,193
International, Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	13,693	15,635
Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	104,894	104,521	106,341
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S., Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S., Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S., Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International, Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International, Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International, Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets
Significant other observable inputs (Level 2) [Member] | U.S., Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	719	713
Significant other observable inputs (Level 2) [Member] | U.S., Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	42,599	41,106
Significant other observable inputs (Level 2) [Member] | U.S., Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	38,154	38,223
Significant other observable inputs (Level 2) [Member] | International, Pension Plans [Member] | Short-term investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	259	651
Significant other observable inputs (Level 2) [Member] | International, Pension Plans [Member] | Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	9,470	8,193
Significant other observable inputs (Level 2) [Member] | International, Pension Plans [Member] | Fixed-income funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	13,693	15,635
Significant other observable inputs (Level 2) [Member] | Defined Benefit Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair value of defined benefit pension plan assets	$ 104,894	$ 104,521