Summary of Significant Accounting Policies - Recently Adopted Accounting Pronouncements (Details) - USD ($) $ in Thousands	Jun. 29, 2019	Dec. 30, 2018	Dec. 29, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets	$ 47,456	$ 44,771	$ 49,491
Operating lease assets	375,165	388,811	0
Other intangibles assets, net	1,311,923	1,321,169	1,334,767
Other assets	67,544	63,518	64,479
Operating lease liabilities	33,282	33,822	0
Operating lease liabilities	388,081	401,249	0
Other long-term liabilities	$ 22,035	17,625	$ 83,164
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Prepaid expenses and other current assets		(4,720)
Operating lease assets		388,811
Other intangibles assets, net		(13,598)
Other assets		(961)
Operating lease liabilities		33,822
Operating lease liabilities		401,249
Other long-term liabilities		$ (65,539)