Operating Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 28, 2014	Jun. 29, 2013
Net revenue:
Net revenue	$ 316,321	$ 292,996
Income (loss) from operations:
Income (loss) from operations	46,120	3,235
Interest expense	(474)	(1,509)
Interest income	35	41
Other income, net	384	408
Income before income taxes	46,065	2,175
Operating Segments [Member] | CPG [Member]
Net revenue:
Net revenue	261,116	237,713
Income (loss) from operations:
Income (loss) from operations	69,616	21,950
Operating Segments [Member] | MPG [Member]
Net revenue:
Net revenue	55,187	55,283
Income (loss) from operations:
Income (loss) from operations	10,871	6,861
Operating Segments [Member] | Other operating segment [Member]
Net revenue:
Net revenue	18	0
Income (loss) from operations:
Income (loss) from operations	(1,572)	(823)
All other [Member]
Income (loss) from operations:
Income (loss) from operations	$ (32,795)	$ (24,753)