Pension Benefits - Net Periodic Pension Cost (Details) (USD $)	3 Months Ended										12 Months Ended
	Dec. 29, 2013	Mar. 31, 2013	Dec. 30, 2012		Sep. 23, 2012		Jun. 24, 2012		Mar. 25, 2012		Dec. 29, 2013	Dec. 30, 2012		Dec. 25, 2011
Pension Benefits
Pension settlement expense	$ 3,228,000	$ 0	$ 47,657,000	[1]	$ 0	[1]	$ 0	[1]	$ 0	[1]	$ 3,228,000	$ 47,657,000	[1]	$ 0
Payments for pension settlement											11,000,000	112,000,000
Accumulated Other Comprehensive Income (Loss) [Member]
Pension Benefits
Change in projected benfit obligation												32,000,000
Change in funded status												32,000,000
Qualified Plans [Member]
Pension Benefits
Service cost											11,225,000	11,903,000		12,079,000
Interest cost											77,136,000	94,113,000		98,206,000
Expected return on plan assets											(124,250,000)	(118,551,000)		(111,813,000)
Recognized actuarial loss											33,770,000	33,323,000		25,007,000
Amortization of prior service (credit)/cost											(1,945,000)	574,000		803,000
Effect of settlement											0	47,657,000		0
Effect of special termination benefits											0	0		0
Effect of sale of Regional Media Group											0	(5,097,000)		0
Net periodic postretirement benefit income											(4,064,000)	63,922,000		24,282,000
Non-Qualified Plans [Member]
Pension Benefits
Service cost											1,162,000	1,656,000		1,660,000
Interest cost											10,681,000	12,635,000		13,112,000
Expected return on plan assets											0	0		0
Recognized actuarial loss											5,247,000	4,489,000		3,053,000
Amortization of prior service (credit)/cost											0	0		0
Effect of settlement											3,228,000	0		0
Effect of special termination benefits											314,000	0		0
Effect of sale of Regional Media Group											0	0		0
Net periodic postretirement benefit income											20,632,000	18,780,000		17,825,000
Pension Plans, Defined Benefit [Member]
Pension Benefits
Service cost											12,387,000	13,559,000		13,739,000
Interest cost											87,817,000	106,748,000		111,318,000
Expected return on plan assets											(124,250,000)	(118,551,000)		(111,813,000)
Recognized actuarial loss											39,017,000	37,812,000		28,060,000
Amortization of prior service (credit)/cost											(1,945,000)	574,000		803,000
Effect of settlement											3,228,000	47,657,000		0
Effect of special termination benefits											314,000	0		0
Effect of sale of Regional Media Group											0	(5,097,000)		0
Net periodic postretirement benefit income											$ 16,568,000	$ 82,702,000		$ 42,107,000

[1] In the fourth quarter of 2012, we recorded a $47.7 million non-cash pension settlement charge in connection with the immediate pension benefit offer to certain former employees who participate in The New York Times Companies Pension Plan.