Debt - Debt Acquired in Acquisition of Herley (Details) (USD $)			0 Months Ended
	Mar. 31, 2013	Dec. 30, 2012	Mar. 25, 2011 10-year term loan	Mar. 31, 2013 10-year term loan
Debt Instrument [Line Items]
Principal amount outstanding	$ 630,500,000.0	$ 630,700,000.0	$ 10,000,000.0
Maturity period			10 years
Carrying amount	648,200,000	649,400,000		5,500,000
Quarterly installment payment - principal			$ 300,000
Basis spread on variable rate			1.50%