Investments in Productions and Investments in Acquired Content Rights - Programming Costs (Details) - USD ($) $ in Thousands	Dec. 27, 2020	Dec. 29, 2019
Film and television programming
Released, less amortization	$ 428,020	$ 43,625
Completed, not released	17,251	0
In production	185,503	67,013
In development	67,611	7,111
Other programming
Released, less amortization	13,664	0
Completed, not released	2,131	0
In production	5,435	0
In development	7,571	0
Total program production costs	$ 727,186	$ 117,749