Quarterly Financial Data (Unaudited) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 30, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Quarterly Financial Data (Unaudited) [Abstract]
Net revenues	$ 1,281,773	$ 1,370,348	$ 766,342	$ 663,694	$ 1,283,529	$ 1,345,137	$ 811,467	$ 648,850	$ 4,082,157	$ 4,088,983
Operating profit	183,672	198,706	74,088	10,627	200,155	249,622	86,282	15,726	467,093	551,785	593,981
Earnings (loss) before income taxes	161,326	155,913	51,076	(16,493)	173,660	224,949	59,659	(4,866)	351,822	453,402
Net earnings	128,276	125,843	36,480	(6,671)	130,299	164,852	43,427	(2,579)	283,928	335,999	385,367
Net earnings attributable to Hasbro, Inc.	$ 129,815	$ 126,574	$ 36,480	$ (6,671)					$ 286,198	$ 335,999	$ 385,367
Net earnings (loss) [Abstract]
Basic (in dollars per share)	$ 0.99	$ 0.97	$ 0.28	$ (0.05)	$ 1.00	$ 1.26	$ 0.33	$ (0.02)	$ 2.20	$ 2.58	$ 2.88
Diluted (in dollars per share)	$ 0.98	$ 0.96	$ 0.28	$ (0.05)	$ 0.99	$ 1.24	$ 0.33	$ (0.02)	$ 2.17	$ 2.55	$ 2.82
Market price [Abstract]
High (in dollars per share)	$ 54.55	$ 49.75	$ 48.97	$ 44.14	$ 39.96	$ 39.98	$ 37.55	$ 37.70	$ 54.55	$ 39.98
Low (in dollars per share)	$ 45.44	$ 44.69	$ 42.57	$ 35.00	$ 34.91	$ 32.29	$ 32.00	$ 31.51	$ 35.00	$ 31.51
Cash dividends declared (in dollars per share)	$ 0.40	$ 0.40	$ 0.40	$ 0.40	$ 0.36	$ 0.36	$ 0.36	$ 0.36	$ 1.60	$ 1.44	$ 1.20