Fair Value Measurements - Narrative (Details) $ in Millions	12 Months Ended
	Jan. 31, 2016 USD ($)
Level 2 | New credit facilities, Term Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	$ 77.1
Level 2 | Revolving Commitments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of debt	$ 181.0
Triune Systems
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Defined earn-out period remaining	2 years
Cycleo [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Defined earn-out period remaining	4 years