Debt - Issuance of 10% Senior Secured Notes due 2017 (Details) (USD $)			0 Months Ended				12 Months Ended				0 Months Ended
	Dec. 30, 2012	Dec. 25, 2011	Jul. 27, 2011 Senior notes Senior Notes due June 2017	Mar. 25, 2011 Senior notes Senior Notes due June 2017	Dec. 30, 2012 Senior notes Senior Notes due June 2017	May 19, 2010 Senior notes Senior Notes due June 2017	Dec. 30, 2012 Senior notes Senior Notes due June 2017 Between 6/1/2014 and 6/1/2015	Dec. 30, 2012 Senior notes Senior Notes due June 2017 Between 6/1/2015 and 6/1/2016	Dec. 30, 2012 Senior notes Senior Notes due June 2017 After 6/1/2016	Dec. 30, 2012 Senior notes Senior Notes due June 2017 Prior to 6/1/2013	Mar. 25, 2011 Herley Industries, Inc.	Mar. 25, 2011 Herley Industries, Inc. Senior notes Senior Notes due June 2017
Debt Instrument [Line Items]
Stated interest rate percentage			10.00%	10.00%	10.00%	10.00%
Principal amount outstanding	$ 630,700,000	$ 631,800,000	$ 115,000,000	$ 285,000,000	$ 625,000,000	$ 225,000,000						$ 285,000,000
Proceeds from debt issuance			122,500,000	314,000,000
Long-term debt premium	18,700,000	22,800,000	5,800,000	20,000,000
Accrued interest			1,700,000	9,000,000
Company's cash contribution to finance part of Herley acquisition consideration											$ 45,000,000
Effective interest rate			8.90%	8.50%
Fixed charge coverage ratio					2.0
Redemption price as percentage of aggregate principal amount							105.00%	102.50%	100.00%	110.00%
Permitted redemption amount as percentage of aggregate principal amount										35.00%