Earnings Per Share and Dividends - Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands	Feb. 28, 2019	Feb. 28, 2018
Quarter One
Dividends Payable [Line Items]
Dividend per Share (in dollars per share)	$ 0.08	$ 0.08
Total of Cash Dividends Declared	$ 13,226	$ 14,588
Quarter Two [Member]
Dividends Payable [Line Items]
Dividend per Share (in dollars per share)	$ 0.08	$ 0.08
Total of Cash Dividends Declared	$ 12,706	$ 14,272

Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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