Stockholders' Equity Repurchases of Common Stock (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands						3 Months Ended	6 Months Ended	9 Months Ended
	Sep. 25, 2015	Aug. 31, 2015	Jul. 17, 2015	Jul. 08, 2015	Feb. 19, 2014	Sep. 27, 2015	Jun. 28, 2015	Sep. 27, 2015	Sep. 28, 2014	Jun. 03, 2015	Jun. 01, 2015	Dec. 28, 2014	Aug. 31, 2014
Initial Shares Delivered Under ASR Agreement Percentage		85.00%
Accelerated Share Repurchase Program [Member]
Stock Repurchase Program, Cost Incurred								$ 32
Treasury Stock, Shares, Acquired	3,551	14,385
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions		$ 164,500
$1.4 Billion Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount											$ 1,400,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount						$ 400,114		400,114
Tender Offer and Purchase Agreement [Domain]
Stock Repurchase Program, Authorized Amount										$ 850,000
Tender Offer [Member]
Stock Repurchase Program, Authorized Amount										639,000
Stock Repurchase Program, Cost Incurred								$ 2,288
Treasury Stock, Shares, Acquired				55,808
Treasury Stock Acquired, Average Cost Per Share				$ 11.45
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions				$ 639,000
Purchase agreement [Member]
Stock Repurchase Program, Authorized Amount										$ 211,000
Treasury Stock, Shares, Acquired			18,416
Treasury Stock Acquired, Average Cost Per Share			$ 11.45
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions			$ 210,867
$100 Million Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount													$ 100,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount												$ 76,111
Stock Repurchase Program, Cost Incurred							$ 86		$ 30
Treasury Stock, Shares, Acquired							5,655		1,739
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions						$ 14,480	$ 61,631		$ 13,935
$275 Million Repurchase Program [Member]
Stock Repurchase Program, Cost Incurred									$ 2,275
Treasury Stock, Shares, Acquired					29,730
Treasury Stock, Value, Acquired, Cost Method, excluding Commissions					$ 275,000