Stock-Based Awards - Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Options (number of shares):
Exercised (shares)	(2,327,046)	(657,704)	(114,652)
Weighted Average Exercise Price (in dollars per share):
Total intrinsic value	$ 12,300	$ 7,000	$ 700
Employee Stock Option [Member]
Options (number of shares):
Options outstanding at beginning of year (shares)	3,774,000
Exercised (shares)	(2,327,000)
Forfeited/Expired (shares)	(59,000)
Options outstanding at end of period (shares)	1,388,000	3,774,000
Options exercisable at end of period (shares)	1,388,000
Weighted Average Exercise Price (in dollars per share):
Options outstanding at beginning of year (in dollars per share)	$ 15
Exercised (in dollars per share)	18
Forfeited/Expired (in dollars per share)	20
Options outstanding at end of period (in dollars per share)	9	$ 15
Options exercisable at end of period	$ 9
Outstanding weighted average remaining contractual term, beginning of period	2 years	2 years
Outstanding weighted average remaining contractual term, end of period	2 years	2 years
Options exercisable weighted average remaining contractual term	2 years
Outstanding aggregate intrinsic value, beginning of period	$ 17,597
Outstanding aggregate intrinsic value, end of period	18,052	$ 17,597
Options exercisable aggregate intrinsic value	$ 18,052