Pension Benefits - Contributions and Expected Benefit Payments (Details) (USD $)	12 Months Ended			1 Months Ended	3 Months Ended
	Dec. 28, 2014		Dec. 29, 2013	Jan. 31, 2013	Mar. 29, 2015
Pension Benefits
Future employer contributions in next fiscal year	$ 9,000,000
Pension contributions	15,000,000		74,000,000
Contributions to New York Times Newspaper Guild Pension Plan [Member]
Pension Benefits
Pension contributions				57,000,000
Pension contributions necessary to satisfy minimum funding requirements				20,000,000
Qualified Plans [Member]
Pension Benefits
2015	200,873,000	[1]
2016	103,233,000
2017	105,296,000
2018	106,714,000
2019	109,229,000
2020-2024	572,392,000
Lump-sum payments to be made from plan assets	0		0
Non-Qualified Plans [Member]
Pension Benefits
2015	16,044,000	[1]
2016	16,095,000
2017	16,865,000
2018	16,843,000
2019	17,244,000
2020-2024	83,987,000
Lump-sum payments to be made from plan assets	24,015,000		10,667,000
Company Sponsored Pension Plan [Member]
Pension Benefits
2015	216,917,000	[1]
2016	119,328,000
2017	122,161,000
2018	123,557,000
2019	126,473,000
2020-2024	656,379,000
Subsequent Event [Member] | Qualified Plans [Member]
Pension Benefits
Lump-sum payments to be made from plan assets					$ 98,300,000

[1] Includes lump-sum payments that will approximate $98 million in the first quarter of 2015 related to the Company’s qualified defined benefit pension plans. The lump-sum payments will be funded with existing assets of the pension plans and not with Company cash. See Note 19 for additional information.