Quarterly report pursuant to Section 13 or 15(d)

Revenue - Deferred revenue (Details)

v3.10.0.1
Revenue - Deferred revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Aug. 04, 2018
Summary of changes in deferred revenue    
Balance at beginning of period $ 130,591 $ 110,103
Adoption of ASC 606   38,773
Additions to contract liabilities 89,001 174,835
Deductions to contract liabilities (88,976) (193,095)
Balance at end of period $ 130,616 $ 130,616