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Share-based Compensation Expense - Summary of Assumptions used to Estimate the Weighted-Average Fair Value Per Share for Stock Purchase under the Employee Stock Purchase Plan (Details) - $ / shares
12 Months Ended
Jan. 03, 2016
Dec. 28, 2014
Dec. 29, 2013
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Expected dividend yield 0.00%    
Stock options [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Risk-free interest rate, minimum   0.14%
Risk-free interest rate, maximum   1.86%
Expected volatility, minimum   30.00%
Expected volatility, maximum   44.00%
Expected dividend yield     0.00%
Weighted-average grant-date fair value per share, options (in dollars per share) $ 0.00 $ 0.00 $ 40.66
Stock options [Member] | Maximum [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Expected term 9 years 5 months
Stock options [Member] | Minimum [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Expected term 9 months
Employee stock [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Risk-free interest rate, minimum 0.07% 0.05% 0.08%
Risk-free interest rate, maximum 0.33% 0.13% 0.15%
Expected volatility, minimum 29.00% 38.00% 31.00%
Expected volatility, maximum 38.00% 41.00% 32.00%
Expected dividend yield 0.00% 0.00% 0.00%
Weighted-average grant-date fair value per share, ESPP (in dollars per share) $ 53.92 $ 44.64 $ 19.30
Employee stock [Member] | Maximum [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Expected term 1 year 1 year 1 year
Employee stock [Member] | Minimum [Member]      
Assumptions used to estimate the fair value per share of options granted and employee stock purchase rights granted      
Expected term 6 months 6 months 6 months