Stock-Based Compensation (Nonvested Service Based Restricted Stock Units) (Details) (Restricted Stock Units (RSUs) [Member], USD $)	6 Months Ended	12 Months Ended
	Jun. 29, 2014	Dec. 29, 2013
Restricted Stock Units (RSUs) [Member]
Number of Shares Outstanding (in shares)
Number of Shares, Nonvested at beginning of period	852,508
Number of Shares, Granted	346,840
Number of Shares, Vested	(196,270)
Number of Shares, Forfeited	(46,722)
Number of Shares, Nonvested at end of period	956,356.000	852,508
Number of Shares, Vested and expected to vest	895,496
Number of Shares, Vested at end of period	61,250
Weighted-average Vest Date
Weighted-Average Vest Date, Nonvested at beginning in years	1 year 0 months 15 days	7 months 21 days
Weighted-Average Vest Date, Nonvested at end in years	1 year 0 months 15 days	7 months 21 days
Weighted-Average Vest Date, Vested and expected to vest in years	1 year 0 months 0 days
Weighted-average Grant Date Fair Value (in US$ per share)
Weighted-Average Grant Date Fair Value, Nonvested at beginning of period	$ 17.36
Weighted-Average Grant Date Fair Value, Granted	$ 14.39
Weighted-Average Grant Date Fair Value, Vested	$ 14.74
Weighted-Average Grant Date Fair Value, Forfeited	$ 12.91
Weighted-Average Grant Date Fair Value, Nonvested at end of period	$ 17.04	$ 17.36