Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 25, 2016	Dec. 27, 2015
Consolidated Statements of Operations [Abstract]
Net revenues, external	$ 5,209,782	$ 5,019,822	$ 4,447,509
Costs and expenses
Cost of sales	2,033,693	1,905,474	1,677,033
Royalties	405,488	409,522	379,245
Product development	269,020	266,375	242,944
Advertising	501,813	468,940	409,388
Amortization of intangibles	28,818	34,763	43,722
Program production cost amortization	35,798	35,931	42,449
Selling, distribution and administration	1,124,793	1,110,769	960,795
Total expenses	4,399,423	4,231,774	3,755,576
Operating profit	810,359	788,048	691,933
Non-operating (income) expense
Interest Expense	98,268	97,405	97,122
Interest income	(22,155)	(9,367)	(3,145)
Other expense (income), net	(51,904)	7,521	(5,959)
Total non-operating expense, net	24,209	95,559	88,018
Earnings before income taxes	786,150	692,489	603,915
Income taxes	389,543	159,338	157,043
Net earnings	396,607	533,151	446,872
Net Loss Attributable to Noncontrolling Interests	0	(18,229)	(4,966)
Net Earnings Attributable to Hasbro, Inc.	$ 396,607	$ 551,380	$ 451,838
Net earnings attributable to Hasbro, Inc. per common share:
Basic (in dollars per share)	$ 3.17	$ 4.4	$ 3.61
Diluted (in dollars per share)	3.12	4.34	3.57
Cash dividends declared (in dollars per share)	$ 2.28	$ 2.04	$ 1.84