Revenue Recognition - Summary of Disaggregation of Revenue by Major Product Grouping Source and Geography (Detail) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total revenue	$ 2,277.2	$ 6,290.3
Appliances and Cookware [Member]
Disaggregation of Revenue [Line Items]
Total revenue	453.6	1,215.1
Food [Member]
Disaggregation of Revenue [Line Items]
Total revenue	267.9	660.4
Connected Home and Security [Member]
Disaggregation of Revenue [Line Items]
Total revenue	96.4	273.6
Home Fragrance [Member]
Disaggregation of Revenue [Line Items]
Total revenue	260.9	648.7
Outdoor and Recreation [Member]
Disaggregation of Revenue [Line Items]
Total revenue	369.2	1,215.6
Baby and Parenting [Member]
Disaggregation of Revenue [Line Items]
Total revenue	301.6	848.7
Writing [Member]
Disaggregation of Revenue [Line Items]
Total revenue	527.6	1,426.2
Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue		2.0
North America [Member]
Disaggregation of Revenue [Line Items]
Total revenue	1,680.2	4,498.3
International [Member]
Disaggregation of Revenue [Line Items]
Total revenue	597.0	1,792.0
Food and Appliances Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenue	721.5	1,875.5
Food and Appliances Segment [Member] | Appliances and Cookware [Member]
Disaggregation of Revenue [Line Items]
Total revenue	453.6	1,215.1
Food and Appliances Segment [Member] | Food [Member]
Disaggregation of Revenue [Line Items]
Total revenue	267.9	660.4
Food and Appliances Segment [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total revenue	551.0	1,357.7
Food and Appliances Segment [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Total revenue	170.5	517.8
Home and Outdoor Living Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenue	726.5	2,137.9
Home and Outdoor Living Segment [Member] | Connected Home and Security [Member]
Disaggregation of Revenue [Line Items]
Total revenue	96.4	273.6
Home and Outdoor Living Segment [Member] | Home Fragrance [Member]
Disaggregation of Revenue [Line Items]
Total revenue	260.9	648.7
Home and Outdoor Living Segment [Member] | Outdoor and Recreation [Member]
Disaggregation of Revenue [Line Items]
Total revenue	369.2	1,215.6
Home and Outdoor Living Segment [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total revenue	532.8	1,531.9
Home and Outdoor Living Segment [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Total revenue	193.7	606.0
Learning and Development Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenue	829.2	2,274.9
Learning and Development Segment [Member] | Baby and Parenting [Member]
Disaggregation of Revenue [Line Items]
Total revenue	301.6	848.7
Learning and Development Segment [Member] | Writing [Member]
Disaggregation of Revenue [Line Items]
Total revenue	527.6	1,426.2
Learning and Development Segment [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total revenue	596.4	1,606.5
Learning and Development Segment [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Total revenue	$ 232.8	668.4
Other Segment [Member]
Disaggregation of Revenue [Line Items]
Total revenue		2.0
Other Segment [Member] | Other [Member]
Disaggregation of Revenue [Line Items]
Total revenue		2.0
Other Segment [Member] | North America [Member]
Disaggregation of Revenue [Line Items]
Total revenue		2.2
Other Segment [Member] | International [Member]
Disaggregation of Revenue [Line Items]
Total revenue		$ (0.2)