Annual report pursuant to Section 13 and 15(d)

Long Term Debt - Amendment of Credit Agreement (Parenthetical) (Detail)

v3.8.0.1
Long Term Debt - Amendment of Credit Agreement (Parenthetical) (Detail)
Nov. 28, 2017
Jun. 16, 2017
Dec. 15, 2016
Jun. 13, 2016
Debt Disclosure [Abstract]        
Debt instrument, reduction in interest rate   0.25% 0.50% 0.25%
Debt instrument, extended maturity date 2022-12