Capital Stock (Details) (USD $)	0 Months Ended	3 Months Ended	12 Months Ended	3 Months Ended		0 Months Ended
	Mar. 05, 2015	Mar. 29, 2015	Dec. 28, 2014	Mar. 30, 2014	Jun. 30, 2015	Apr. 09, 2015	Oct. 13, 2014	Jul. 14, 2014	Dec. 31, 2012
Class of Stock [Line Items]
Treasury Stock, Shares		3,907,404	975,594
Preferred stock authorized shares		40,000,000	40,000,000
Preferred stock par value		$ 0.001	$ 0.001					$ 0.001
Demand holder rights percentage									5.00%
Proceeds received greater than									$ 100,000,000
Percent market capitalization greater than									2.50%
Stock Repurchase Program, Authorized Amount							400,000,000
Treasury Stock, Shares, Acquired		2,806,244	1,101,160
Treasury Stock, Value, Acquired, Cost Method		165,174,000	68,000,000
Treasury Stock, Shares, Acquired and Not Yet Settled			125,566
Treasury Stock, Value, Acquired and Not Yet Settled			8,000,000
Share Price		$ 58.86	$ 61.58
Stock Repurchase Program, Remaining Authorized Repurchase Amount		167,000,000
Common Stock, Dividends, Per Share, Declared	$ 6.73
Common stock dividends (USD per share)		$ 6.73
Special Cash Dividend on Common Stock and Warrantholder payment		648,644,000
Class A Common Stock
Class of Stock [Line Items]
Number of shares of common stock issued		96,299,803	95,708,401						78,754,269
Common stock, par value		$ 0.001	$ 0.001						$ 0.001
Common stock, conversion ratio		1
Number of new shares issued from conversion		46,123		239,184
Number of shares called by each warrant									1
Number of warrants exercised		421,643		2,779,959
Number of shares received		421,643		2,779,933
Class A common stock reserved for issuance		8,335
Common stock, shares authorized		1,000,000,000	1,000,000,000					1,000,000,000
Class B Common Stock
Class of Stock [Line Items]
Number of shares of common stock issued		2,391,960	2,438,083						4,455,767
Common stock, par value		$ 0.001	$ 0.001						$ 0.001
Common stock, conversion ratio		1
Number of shares converted		46,123		239,184
Number of shares called by each warrant									1
Number of warrants exercised		0		100
Number of shares received				100
Common stock, shares authorized		200,000,000	200,000,000					200,000,000
Preferred Stock
Class of Stock [Line Items]
Preferred stock authorized shares								40,000,000
Warrant
Class of Stock [Line Items]
Warrants issued		1,588,318							16,789,972
Warrant, exercise price, per share									$ 0.001
Scenario, Forecast
Class of Stock [Line Items]
Common stock dividends (USD per share)					$ 0.25
Subsequent Event
Class of Stock [Line Items]
Common stock dividends (USD per share)						$ 6.73
Special Cash Dividend on Common Stock and Warrantholder payment						$ 649,000,000