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Shareholders' Equity (Detail Textuals 1) - Share Repurchase Plan - USD ($) $ in Millions	Mar. 31, 2016	Aug. 01, 2011	Nov. 01, 2010	Oct. 31, 2008	Nov. 08, 2006
Stockholders Equity Note [Line Items]
Amount approved of share repurchase plan		$ 20.0	$ 20.0	$ 20.0	$ 20.0
Value of remaining shares	$ 10.2

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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