Stock-Based Compensation (Details 2) (USD $) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
Share data in Thousands, except Per Share data, unless otherwise specified | Jul. 01, 2014 | Jul. 02, 2013 | Jul. 01, 2014 | Jul. 02, 2013 | Dec. 31, 2013 |
Employee Stock Option [Member] | ' | ' | ' | ' | ' |
Stock option activity, shares | ' | ' | ' | ' | ' |
Outstanding, at the beginning of the period (in shares) | ' | ' | 4,823 | ' | ' |
Granted (in shares) | ' | ' | 330 | ' | ' |
Exercised (in shares) | ' | ' | -449 | ' | ' |
Forfeited or cancelled (in shares) | ' | ' | -26 | ' | ' |
Outstanding at the end of the period (in shares) | 4,678 | ' | 4,678 | ' | 4,823 |
Exercisable at the end of the period (in shares) | 2,649 | ' | 2,649 | ' | ' |
Weighted Average Exercise price | ' | ' | ' | ' | ' |
Outstanding at the beginning of the period (in dollars per share) | ' | ' | $23.70 | ' | ' |
Granted (in dollars per share) | ' | ' | $48.19 | ' | ' |
Exercised (in dollars per share) | ' | ' | $19.22 | ' | ' |
Forfeited or cancelled (in dollars per share) | ' | ' | $30.26 | ' | ' |
Outstanding at the end of the period (in dollars per share) | $25.82 | ' | $25.82 | ' | $23.70 |
Exercisable at the end of the period (in dollars per share) | $23.74 | ' | $23.74 | ' | ' |
Weighted Average Remaining Contractual Term | ' | ' | ' | ' | ' |
Outstanding at the beginning of the period | ' | ' | '3 years 10 months 24 days | ' | '4 years 1 month 6 days |
Outstanding at the end of the period | ' | ' | '3 years 10 months 24 days | ' | '4 years 1 month 6 days |
Exercisable at the end of the period | ' | ' | '3 years 1 month 6 days | ' | ' |
Aggregate Intrinsic Value | ' | ' | ' | ' | ' |
Outstanding at the beginning of the period | ' | ' | $118,505,000 | ' | ' |
Outstanding at the end of the period | 98,824,000 | ' | 98,824,000 | ' | 118,505,000 |
Exercisable at the end of the period | 61,213,000 | ' | 61,213,000 | ' | ' |
Total intrinsic value of options exercised | 3,800,000 | 11,700,000 | 12,700,000 | 19,800,000 | ' |
Unrecognized Stock-based Compensation Expense | ' | ' | ' | ' | ' |
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units | 14,100,000 | ' | 14,100,000 | ' | ' |
Expected weighted average period for recognition of compensation expense related to unvested stock option | ' | ' | '2 years 3 months 18 days | ' | ' |
Restricted Shares and Restricted Share Units [Member] | ' | ' | ' | ' | ' |
Unrecognized Stock-based Compensation Expense | ' | ' | ' | ' | ' |
Total unrecognized stock-based compensation expenses related to unvested stock options, restricted shares and restricted share units | 37,400,000 | ' | 37,400,000 | ' | ' |
Expected weighted average period for recognition of compensation expense related to unvested stock option | ' | ' | '3 years 4 months 24 days | ' | ' |
Restricted Shares and Restricted Share Units | ' | ' | ' | ' | ' |
Outstanding at the beginning of the period (in shares) | ' | ' | 1,672 | ' | ' |
Granted (in shares) | ' | ' | 307 | ' | ' |
Vested (in shares) | ' | ' | -166 | ' | ' |
Forfeited (in shares) | ' | ' | -56 | ' | ' |
Outstanding at the end of the period (in shares) | 1,757 | ' | 1,757 | ' | ' |
Fair value of shares vested | $100,000 | $6,000,000 | $3,800,000 | $2,400,000 | ' |
Weighted Average Fair Value | ' | ' | ' | ' | ' |
Outstanding at the beginning of the period (in dollars per share) | ' | ' | $32.81 | ' | ' |
Granted (in dollars per share) | $48.19 | $39.75 | $48.11 | ' | ' |
Vested (in dollars per share) | ' | ' | $23.01 | ' | ' |
Forfeited (in dollars per share) | ' | ' | $36.19 | ' | ' |
Outstanding at the end of the period (in dollars per share) | $36.30 | ' | $36.30 | ' | ' |