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Fair Value Measurements - Level 3 Reconciliation of the Earn-out Liability (Details)
$ in Thousands
3 Months Ended
May. 01, 2016
USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning balance $ 1,457
Changes in the fair value of contingent earn-out obligations (33)
Ending balance 1,424
Cycleo [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning balance 1,457
Changes in the fair value of contingent earn-out obligations (33)
Ending balance 1,424
Triune Systems [Member]  
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Beginning balance 0
Changes in the fair value of contingent earn-out obligations 0
Ending balance $ 0