Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v3.3.0.814
Fair Value Measurements - Additional Information (Detail) - USD ($)
$ in Thousands
Oct. 31, 2015
Jan. 31, 2015
Nov. 01, 2014
Fair Value, Inputs, Level 2 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Deferred compensation plan liability $ 7,858 $ 5,574 $ 5,121