Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012	Feb. 28, 2011	Feb. 28, 2010	Feb. 28, 2009
Summary of Net Deferred Tax Assets [Line Items]
Charitable contributions carryforward		$ 367	$ 1,271
Deferred tax asset related to foreign tax credit net operating loss		25,957	26,638
Income Taxes (Textual) [Abstract]
Goodwill impairment		27,154
Worthless stock deduction on international subsidiary			53	6,043
Income taxes paid from continuing operation		30,420	23,519	12,881
Valuation allowance		20,670	24,042
Undistributed earnings of international subsidiaries		76,119
Unrecognized tax benefits		30,360	43,323	45,661	34,760
Income tax expenses affected by unrecognized tax benefits if recognized		19,160	32,811
Decreased unrecognized tax benefit	11,187
Interest and penalties on unrecognized tax benefit		6,530	16,621
Accrued Interest and penalties on unrecognized tax benefit		8,558	16,312
Open tax years by major tax jurisdiction		The Corporation is subject to examination by the Internal Revenue Service 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.
Impairment of Goodwill [Member]
Summary of Net Deferred Tax Assets [Line Items]
Nondeductible tax basis		5,900
Subject to expiration date range 2020 through 2028 [Member]
Summary of Net Deferred Tax Assets [Line Items]
Deferred tax asset related to domestic net operating loss		14,310
Subject to expiration date range 2013 through 2032 [Member]
Summary of Net Deferred Tax Assets [Line Items]
Deferred tax asset related to state net operating loss		5,998
Subject to expiration date of 2015 [Member]
Summary of Net Deferred Tax Assets [Line Items]
Charitable contributions carryforward		367
Subject to expiration date range 2015 through 2019 [Member]
Summary of Net Deferred Tax Assets [Line Items]
Deferred tax asset related to foreign tax credit net operating loss		25,957
International [Member]
Summary of Net Deferred Tax Assets [Line Items]
Deferred tax asset relating to operating loss carryforward, expiration date		1,565
Deferred tax asset relating to operating loss carryforward		5,952
Deferred tax asset relating to operating loss carryforward, no expiration date		$ 4,387