Stock and Stock-Based Compensation Plans - Summary of Options Activity (Details) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Dec. 29, 2019 USD ($) $ / shares shares	Dec. 29, 2019 USD ($) $ / shares shares
Number of Awards
Outstanding, beginning balance, Number of Awards (in shares) | shares	812,791
Granted, Number of Awards (in shares) | shares	189,237
Exercised, Number of Awards (in shares) | shares	(100,454)
Canceled/Expired, Number of Awards (in shares) | shares		(563)
Outstanding, ending balance, Number of Awards (in shares) | shares	901,011	901,011
Exercisable, Number of Awards (in shares) | shares	711,774	711,774
Weighted Average Exercise Price
Outstanding, beginning balance, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 15.01
Granted, Weighted Average Exercise Price (in dollars per share) | $ / shares	46.97
Exercised, Weighted Average Exercise Price (in dollars per share) | $ / shares	16.42
Canceled/Expired, Weighted Average Exercise Price (in dollars per share) | $ / shares	17.11
Outstanding, beginning balance, Weighted Average Exercise Price (in dollars per share) | $ / shares	21.57	$ 21.57
Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 14.81	$ 14.81
Outstanding, Weighted Average Remaining Contractual Term (in Years)	4 years 7 months 6 days
Exercisable, Weighted Average Remaining Contractual Term (in Years)	3 years 3 months 18 days
Outstanding, Average Intrinsic Value (in millions) | $	$ 22.9	$ 22.9
Exercisable, Average Intrinsic Value (in millions) | $	$ 22.9	$ 22.9