Stockholders' Equity / (Deficit) - Share Repurchase Program (Details) - USD ($) $ in Thousands				2 Months Ended	6 Months Ended
	May 14, 2018	Mar. 06, 2018	Mar. 01, 2018	May 14, 2018	Jul. 01, 2018	Jun. 25, 2017
Share repurchase program
Cash payment for repurchase of common stock					$ 148,440	$ 33,968
Common stock repurchase program
Share repurchase program
Stock repurchase program, authorized amount					$ 2,075,000
ASR Agreement
Share repurchase program
Stock repurchase program, authorized amount			$ 100,000
Cash payment for repurchase of common stock			$ 100,000
Stock repurchased during period, shares	400,000	1,300,000		1,700,000
Stock repurchased during period, value		$ 78,000		$ 100,000
Stock repurchase program, remaining authorized amount	$ 22,000			$ 22,000