Inventories Inventories - Additional Information (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
	Sep. 28, 2013	Sep. 28, 2013
Inventory Disclosure [Abstract]
Effect of change in inventory lives on income from operations	$ 2,273
Effect of change in inventory lives on net income	1,435
Effect of Change in Inventory Lives on Earnings Per Share	$ 0.07
Effect of change in inventory lives on Consolidated Balance Sheet	$ 2,273	$ 4,878