Subsequent Events (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	3 Months Ended		0 Months Ended	1 Months Ended
	Mar. 30, 2014	Jun. 30, 2013	Oct. 23, 2013 Subsequent Event [Member]	May 08, 2014 Subsequent Event [Member]	Jul. 01, 2007 Convertible Debt [Member] Convertible Senior Notes 2027A [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage					3.00%
Debt Instrument, Convertible, Principal Amount			$ 845,100,000
Debt Conversion, Converted Instrument, Amount				1,000
Conversion rate				24.582
Debt Instrument, Convertible, Conversion Price	$ 40.68
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Repayments of Long-term Debt				$ 845,100,000
Debt Conversion, Converted Instrument, Shares Issued	2.9