Software Development Costs (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Research and Development [Abstract]
Software development costs	$ 418,747,000	$ 319,828,000	$ 290,645,000
Capitalized software development costs	(174,649,000)	(100,189,000)	(82,942,000)
Amortization of capitalized software development costs	94,688,000	81,731,000	79,098,000
Total software development expense	338,786,000	301,370,000	286,801,000
Accumulated capitalized computer software amortization	$ 798,000,000	$ 703,100,000