Revenue Recognition - Narrative (Details) - USD ($)	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Contract length	As a result of the short durations of customer contracts, which are typically effective for one year or less and have payment terms that are generally 30-60 days, these arrangements are not considered to have a significant financing component.
Sales and allowances period	30 days
Contract liability	$ 24,787,000	$ 23,156,000
Deferred Revenue
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Contract liability	0	0
Gift Cards
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Contract liability	3,101,000	3,105,000
Loyalty Programs
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Contract liability	$ 5,171,000	$ 5,477,000