Segment Information (Schedule of Segment Revenue from Product Lines) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 24, 2016	Dec. 30, 2017	Dec. 24, 2016
Segment Reporting Information [Line Items]
Net sales	$ 482,741	$ 523,029	$ 1,229,013	$ 1,211,076
Portable Audio Products
Segment Reporting Information [Line Items]
Net sales	438,650	483,712	1,101,099	1,083,190
Non-Portable Audio and Other Products
Segment Reporting Information [Line Items]
Net sales	$ 44,091	$ 39,317	$ 127,914	$ 127,886