Stockholders' Equity - Share Repurchase Program (Details) - USD ($) $ in Millions	2 Months Ended	12 Months Ended
	Feb. 14, 2017	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Common stock repurchase program
Share repurchase program
Stock repurchase program, authorized amount		$ 1,575.0
Stock repurchased during period, shares		2,100,000	1,800,000	2,600,000
Stock repurchased during period, value		$ 122.4	$ 119.8	$ 117.4
Stock repurchase program, remaining authorized amount	$ 129.9
Common stock repurchase program | Subsequent event
Share repurchase program
Stock repurchased during period, shares	86,801
Stock repurchased during period, value	$ 7.4
Common stock repurchase authorized December 2016
Share repurchase program
Stock repurchase program, authorized amount		$ 50.0