Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands		3 Months Ended		12 Months Ended
	May 08, 2019	Mar. 29, 2019	Mar. 30, 2018	Dec. 28, 2018
Equity, Class of Treasury Stock [Line Items]
Total cost		$ 1,616,000	$ 964,000
Amount available under repurchase plan		5,300,000
Stock repurchase authorized		$ 142,200,000
Shares repurchased for employee net vesting obligations, shares		123	175
Shares repurchased for employee net vesting obligations, value		$ 2,400,000	$ 3,000,000
Dividend declared		$ 0.36
Dividend payment		$ 5,400,000
Minimum [Member]
Equity, Class of Treasury Stock [Line Items]
Dividend declared				$ 0.30
Maximum [Member]
Equity, Class of Treasury Stock [Line Items]
Dividend declared				$ 0.34
Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Dividend declared	$ 0.18
Dividend declared, date of record	Jun. 28, 2019
Dividend declared, date of payment	Jul. 10, 2019
Share Repurchase Plan [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock		101	53
Purchase price per share		$ 15.99	$ 18.33
Total cost		$ 1,600,000	$ 1,000,000
Share Repurchase Plan [Member] | Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchase of common stock	82
Purchase price per share	$ 15.56
Total cost	$ 1,300,000
Stock Appreciation Rights (SARs) [Member]
Equity, Class of Treasury Stock [Line Items]
SARs outstanding		2,900
Exercise price		$ 4.00
Expiration date		Feb. 28, 2022