Shareholders' Equity - Share Repurchase (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	12 Months Ended		24 Months Ended
	Jun. 28, 2014	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Dec. 09, 2011
Equity, Class of Treasury Stock [Line Items]
Total number of shares purchased	207,738	207,738	19,832	227,570
Average price paid per share	$ 7.01	$ 7.01	$ 9.65
Total value of shares repurchased (in millions)	$ 1.5	$ 1.5	$ 0.2
Maximum value of shares that may yet be purchased under the program (in millions)		$ 18.3	$ 19.8	$ 18.3
2011 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Share repurchase authorization amount					$ 20.0