Debt Covenants (Details)	3 Months Ended	9 Months Ended
	Oct. 31, 2014	Oct. 31, 2014
Debt Disclosure [Abstract]
Debt Instrument, Covenant Compliance		At October 31, 2014, the Company was in compliance with all debt covenants.
Line of Credit Facility, Covenant Terms	The agreements governing the New Credit Facilities include specific financial covenants, as well as other covenants that limit the ability of the Company to incur certain subsidiary indebtedness, incur liens, impose restrictions on subsidiary distributions and engage in mergers, consolidations and sales of all or substantially all of its and its subsidiaries’ assets, in addition to other requirements and “Events of Default” (as defined in the agreements governing the New Credit Facilities) customary to such borrowings.
Debt Instrument, Covenant Description	The Indenture governing the Notes contains covenants that, among other things, limit the ability of the Company and its subsidiaries under certain circumstances to create liens and impose conditions on the Company’s ability to engage in mergers, consolidations and sales of all or substantially all of its or its subsidiaries’ assets. The Indenture also contains certain “Events of Default” (as defined in the Indenture) customary for indentures of this type. The Indenture does not contain any specific financial covenants.