Stock-Based Compensation - Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, $ in Millions		2 Months Ended	12 Months Ended
	Apr. 30, 2016	Jun. 07, 2016	Mar. 27, 2016
Stock Options:
Granted (in shares)			100,000
Average exercise price (in dollars per share)			$ 22.42
Weighted-average grant date fair value (in dollars per share)			$ 3.43
Forfeited (in shares)	20,000	20,000
Unrecognized compensation costs (in dollars)			$ 0.3
Unrecognized compensation costs, period for recognition			4 years
Valuation assumptions
Expected Stock Price Volatility (as a percent)			26.40%
Risk-Free Interest rate (as a percent)			1.67%
Expected Dividend Yield (as a percent)			3.50%
Average Expected Term			4 years
Resulting Black Scholes Value			$ 3.43
First year vesting
Stock Options:
Vesting percentage			25.00%
Vesting period			1 year
Monthly vesting over 36 months
Stock Options:
Monthly percentage of vesting of share based compensation			2.78%
Additional vesting months after the initial period			3 years