Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Schedule of Net Contract Assets (Liabilities) (Detail)

v3.10.0.1
Revenue Recognition - Schedule of Net Contract Assets (Liabilities) (Detail) - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2018
Apr. 01, 2018
Mar. 31, 2018
Revenue From Contract With Customer [Abstract]      
Unbilled revenue (contract assets) $ 11,844 $ 6,092 $ 8,079
Customer deposits (contract liabilities) (25,867) (26,585) $ (13,213)
Net contract liabilities (14,023) $ (20,493)  
Unbilled revenue (contract assets) 5,752    
Customer deposits (contract liabilities) 718    
Net contract liabilities $ 6,470