Annual report pursuant to Section 13 and 15(d)

Stock Incentive Plans - Summary of Options (Details)

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Stock Incentive Plans - Summary of Options (Details) - Stock Options
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 30, 2018
USD ($)
$ / shares
shares
Shares  
Outstanding, beginning of period (in shares) | shares 469
Granted (in shares) | shares 128
Forfeited/expired (in shares) | shares (95)
Exercised (in shares) | shares (19)
Outstanding, end of period (in shares) | shares 483
Vested and expected to vest as of current year end (in shares) | shares 444
Exercisable as of current year end (in share) | shares 246
Weighted Average Exercise Price  
Outstanding, beginning of period (in dollars per share) | $ / shares $ 54.60
Granted (in dollars per share) | $ / shares 60.42
Forfeited/expired (in dollars per share) | $ / shares 57.98
Exercised (in dollars per share) | $ / shares 26.12
Outstanding, end of period (in dollars per share) | $ / shares 56.62
Weighted average exercise price, vested and expected to vest as of current year end (in dollars per share) | $ / shares 56.62
Weighted average exercise price, exercisable as of current year end (in dollars per share) | $ / shares $ 55.59
Weighted average remaining years of contractual life, outstanding as of current year end 6 years 9 months 26 days
Weighted average remaining years of contractual life, vested and expected to vest as of current year end 6 years 7 months 28 days
Weighted average remaining years of contractual life, exercisable as of current year end 5 years 4 months 10 days
Aggregate intrinsic value, outstanding as of current year end | $ $ 67
Aggregate intrinsic value, vested and expected to vest as of current year end | $ 67
Aggregate intrinsic value, exercisable as of current year end | $ $ 67