Net Receivables (Details) - USD ($) $ in Thousands	Dec. 31, 2015		Oct. 04, 2015	Jul. 03, 2015	Mar. 31, 2015		Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014
Receivables [Abstract]
U.S. Government contracts billed receivables	$ 121,756				$ 186,430
Commercial and other billed receivables	95,766				88,601
U.S. Government contracts unbilled receivables	807,778				866,709
Commercial and other unbilled receivables	646,549				559,481
Less allowance for doubtful accounts	(1,028)				(4,692)
Net receivables	1,670,821	[1]	$ 1,789,963	$ 1,774,715	1,696,529	[1]	$ 1,255,374	$ 1,216,362	$ 1,240,892
Progress payments
Customer progress payment received	584,325				585,932
Unbilled receivables
Long-term unbilled receivables, relating to commercial aerospace programs	$ 311,600				$ 298,900

[1] See Note 2 - Restatement