Pension and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 25, 2012

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of components of net periodic cost

The components of net periodic pension cost of all Company-sponsored defined benefit pension plans and The New York Times Newspaper Guild pension plan, a joint Company and Guild-sponsored plan, were as follows:

	For the Quarters Ended
	March 25, 2012								March 27, 2011
(In thousands)	Qualified Plans			Non- Qualified Plans		All Plans			Qualified Plans			Non- Qualified Plans		All Plans
Service cost	$	3,007		$	377	$	3,384		$	3,019		$	377	$	3,396
Interest cost	24,187			3,165		27,352			24,998			3,286		28,284
Expected return on plan assets	(29,577		)	—		(29,577		)	(27,953		)	—		(27,953		)
Amortization of prior service cost	201			—		201			201			—		201
Recognized actuarial loss	7,466			1,162		8,628			6,445			804		7,249
Net periodic pension cost	$	5,284		$	4,704	$	9,988		$	6,710		$	4,467	$	11,177

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Schedule of components of net periodic cost

The components of net periodic postretirement benefit income were as follows:

	For the Quarters Ended
(In thousands)	March 25, 2012			March 27, 2011
Service cost	$	239		$	290
Interest cost	1,246			1,825
Amortization of prior service credit	(3,778		)	(3,901		)
Recognized actuarial loss	832			481
Curtailment gain	(27,213		)	—
Net periodic postretirement benefit income	$	(28,674	)	$	(1,305	)