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Subsequent Event (Notes)	9 Months Ended
Subsequent Event (Notes)	Oct. 31, 2017
Subsequent Event [Line Items]
Subsequent Events [Text Block]	SUBSEQUENT EVENT On November 16, 2017, the Company's Board of Directors approved a quarterly dividend of $0.50 per share of Common Stock. This dividend will be paid on January 10, 2018 to shareholders of record on December 20, 2017.