Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Detail)

v3.8.0.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jan. 01, 2018
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]        
Provision (benefit) for income taxes for continuing operations   $ 5,724 $ 8,628  
Effective income tax rate   27.80% 38.50%  
Valuation allowance   $ 2,800   $ 2,800
Net deferred tax asset   $ 35,600   $ 38,300
ASU 2018-02 [Member]        
Operating Loss Carryforwards [Line Items]        
Impact on retained earnings of adopting recent accounting pronouncement $ 399