Income Taxes - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011	Feb. 28, 2010
Income Taxes [Line Items]
Goodwill impairment		$ 27,154
Income taxes paid from continuing operation	25,925	30,420	23,519
Valuation allowance	16,713	14,504
Deferred tax asset related to foreign tax credit net operating loss	15,177	25,957
Undistributed earnings of international subsidiaries	57,358
Unrecognized tax benefits	21,659	30,360	43,323	45,661
Income tax expenses affected by unrecognized tax benefits if recognized	18,515	19,160
Decreased unrecognized tax benefit	3,106
Interest and penalties on unrecognized tax benefits and refundable income taxes	432	6,530
Accrued Interest and penalties on unrecognized tax benefit	3,835	8,558
Open tax years by major tax jurisdiction	The Corporation is subject to examination by the IRS for tax years 2010 to the present and various U.S. state and local jurisdictions for tax years 1996 to the present. The Corporation is also subject to tax examination in various international tax jurisdictions, including Canada, the United Kingdom, Australia, Italy, Mexico and New Zealand for tax years 2006 to the present.
International [Member]
Income Taxes [Line Items]
Deferred tax asset relating to operating loss carryforward, expiration date	1,257
Deferred tax asset relating to operating loss carryforward	5,092
Deferred tax asset relating to operating loss carryforward, no expiration date	3,835
Subject to expiration date range 2020 through 2028 [Member]
Income Taxes [Line Items]
Deferred tax asset related to domestic net operating loss	13,504
Subject to expiration date range 2013 through 2033 [Member]
Income Taxes [Line Items]
Deferred tax asset related to state net operating loss	7,659
Subject to expiration date of 2015 [Member]
Income Taxes [Line Items]
Charitable contributions carryforward	9
Subject to expiration date range 2016 through 2022 [Member]
Income Taxes [Line Items]
Deferred tax asset related to foreign tax credit net operating loss	15,177
Impairment of Goodwill [Member]
Income Taxes [Line Items]
Nondeductible tax basis		$ 5,900