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Goodwill and Intangible Assets - Goodwill impairment (Details) - USD ($) $ in Thousands	3 Months Ended					12 Months Ended
	Feb. 28, 2017	May 31, 2016	Feb. 29, 2016	May 31, 2015	May 31, 2014	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Goodwill and intangible assets
Non-cash indefinite-lived intangible assets impairment charges	$ 5,000	$ 7,400
Non-cash indefinite-lived intangible assets impairment charges, net of tax	3,200	5,100
Changes in Goodwill
Cumulative Goodwill Impairments, balance at the beginning of the period		(46,490)				$ (46,490)
Cumulative Goodwill Impairments, balance at the end of the period	(46,490)		$ (46,490)			(46,490)	$ (46,490)
Goodwill Net Book Value	698,929		583,005			698,929	583,005
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Impairments	(5,000)	(7,400)
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Accumulated Amortization	(165,388)		(137,174)			(165,388)	(137,174)
Goodwill and intangible assets
Gross Carrying Amount, balance at the beginning of the period		1,142,420		$ 1,106,274		1,142,420	1,106,274
Additions						200,565	44,052
Impairments						(12,400)	(6,000)	$ (9,000)
Acquisition and Retirement Adjustments						(289)	(1,906)
Gross Carrying Amount, balance at the end of the period	1,330,296		1,142,420			1,330,296	1,142,420	1,106,274
Net Book Value	1,118,418		958,756			1,118,418	958,756
Aggregate Amortization Expense						28,308	27,773	25,328
Estimated Amortization Expense
February 2017	25,172					25,172
February 2018	20,206					20,206
February 2019	19,102					19,102
February 2020	16,532					16,532
February 2021	6,037					6,037
Non-cash impairment charges after tax						12,400
Housewares
Changes in Goodwill
Goodwill Gross Carrying Amount, balance at the beginning of the period		166,132		166,132		166,132	166,132
Goodwill Acquisition and Retirement Adjustments						(129)
Goodwill Gross Carrying Amount, balance at the end of the period	282,056		166,132			282,056	166,132	166,132
Goodwill Net Book Value	282,056		166,132			282,056	166,132
Goodwill Additions						116,053
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Accumulated Amortization	(15,476)		(12,916)			(15,476)	(12,916)
Goodwill and intangible assets
Gross Carrying Amount, balance at the beginning of the period		256,780		257,086		256,780	257,086
Additions						200,093	446
Acquisition and Retirement Adjustments						(224)	(752)
Gross Carrying Amount, balance at the end of the period	456,649		256,780			456,649	256,780	257,086
Net Book Value	441,173		243,864			$ 441,173	$ 243,864
Housewares | Other intangible assets
Goodwill and intangible assets
Useful life						11 years 7 months 6 days	4 years
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		15,448		15,754		$ 15,448	$ 15,754
Intangible assets - finite-lived, Additions						25,040	446
Intangible assets - finite-lived, Acquisition and Retirement Adjustments						(95)	(752)
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	40,393		15,448			40,393	15,448	15,754
Intangible assets - finite-lived, Accumulated Amortization	(15,476)		(12,916)			(15,476)	(12,916)
Intangible assets - finite-lived, Net Book Value	24,917		2,532			24,917	2,532
Housewares | Trademarks
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		75,200		75,200		75,200	75,200
Intangible assets - indefinite-lived, Additions						59,000
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	134,200		75,200			134,200	75,200	75,200
Health & Home
Changes in Goodwill
Goodwill Gross Carrying Amount, balance at the beginning of the period		284,913		251,758		284,913	251,758
Goodwill Acquisition and Retirement Adjustments							197
Goodwill Gross Carrying Amount, balance at the end of the period	284,913		284,913			284,913	284,913	251,758
Goodwill Net Book Value	284,913		284,913			284,913	284,913
Goodwill Additions							32,958
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Accumulated Amortization	(81,327)		(67,663)			(81,327)	(67,663)
Goodwill and intangible assets
Gross Carrying Amount, balance at the beginning of the period		478,188		434,785		478,188	434,785
Additions						472	43,206
Acquisition and Retirement Adjustments						(65)	197
Gross Carrying Amount, balance at the end of the period	478,595		478,188			478,595	478,188	434,785
Net Book Value	397,268		410,525			397,268	$ 410,525
Health & Home | Licenses
Goodwill and intangible assets
Useful life							1 year
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		15,300		15,300		15,300	$ 15,300
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	15,300		15,300			15,300	15,300	15,300
Intangible assets - finite-lived, Accumulated Amortization	(15,300)		(12,750)			$ (15,300)	(12,750)
Intangible assets - finite-lived, Net Book Value			2,550				$ 2,550
Health & Home | Other intangible assets
Goodwill and intangible assets
Useful life						5 years	6 years
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Additions						$ 472
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		116,575		113,727		116,575	$ 113,727
Intangible assets - finite-lived, Additions							2,848
Intangible assets - finite-lived, Acquisition and Retirement Adjustments						(65)
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	116,982		116,575			116,982	116,575	113,727
Intangible assets - finite-lived, Accumulated Amortization	(66,027)		(54,913)			(66,027)	(54,913)
Intangible assets - finite-lived, Net Book Value	50,955		61,662			50,955	61,662
Health & Home | Trademarks
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		54,000		54,000		54,000	54,000
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	54,000		54,000			54,000	54,000	54,000
Health & Home | Licenses
Changes in Goodwill
Goodwill Additions							7,400
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		7,400				7,400
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	7,400		7,400			7,400	7,400
Nutritional Supplements
Changes in Goodwill
Goodwill Gross Carrying Amount, balance at the beginning of the period		96,609		96,486		96,609	96,486
Goodwill Acquisition and Retirement Adjustments							123
Goodwill Gross Carrying Amount, balance at the end of the period	96,609		96,609			96,609	96,609	96,486
Goodwill Net Book Value	96,609		96,609			96,609	96,609
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Accumulated Amortization	(16,715)		(10,431)			(16,715)	(10,431)
Goodwill and intangible assets
Gross Carrying Amount, balance at the beginning of the period		206,309		205,786		206,309	205,786
Additions							400
Impairments						(9,500)
Acquisition and Retirement Adjustments							123
Gross Carrying Amount, balance at the end of the period	196,809		206,309			196,809	206,309	205,786
Net Book Value	180,094		195,878			$ 180,094	$ 195,878
Nutritional Supplements | Other intangible assets
Goodwill and intangible assets
Useful life						4 years 3 months 18 days	5 years 3 months 18 days
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		44,180		43,800		$ 44,180	$ 43,800
Intangible assets - finite-lived, Additions							380
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	44,180		44,180			44,180	44,180	43,800
Intangible assets - finite-lived, Accumulated Amortization	(16,715)		(10,431)			(16,715)	(10,431)
Intangible assets - finite-lived, Net Book Value	27,465		33,749			27,465	33,749
Nutritional Supplements | Brand assets
Goodwill and intangible assets
Non-cash indefinite-lived intangible assets impairment charges						9,500
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		65,520		65,500		65,520	65,500
Intangible assets - indefinite-lived, Additions							20
Intangible assets - indefinite-lived, Impairments						(9,500)
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	56,020		65,520			56,020	65,520	65,500
Beauty
Changes in Goodwill
Goodwill Gross Carrying Amount, balance at the beginning of the period		81,841		81,841		81,841	81,841
Cumulative Goodwill Impairments, balance at the beginning of the period		(46,490)				(46,490)
Goodwill Gross Carrying Amount, balance at the end of the period	81,841		81,841			81,841	81,841	81,841
Cumulative Goodwill Impairments, balance at the end of the period	(46,490)		(46,490)			(46,490)	(46,490)
Goodwill Net Book Value	35,351		35,351			35,351	35,351
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Accumulated Amortization	(51,870)		(46,164)			(51,870)	(46,164)
Goodwill and intangible assets
Gross Carrying Amount, balance at the beginning of the period		201,143		208,617		201,143	208,617
Impairments						(2,900)	(6,000)
Acquisition and Retirement Adjustments							(1,474)
Gross Carrying Amount, balance at the end of the period	198,243		201,143			198,243	201,143	208,617
Net Book Value	99,883		108,489			$ 99,883	$ 108,489
Beauty | Trademarks
Goodwill and intangible assets
Non-cash indefinite-lived intangible assets impairment charges			3,000
Non-cash indefinite-lived intangible assets impairment charges, net of tax			2,700
Useful life						11 years 7 months 6 days	12 years 7 months 6 days
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Impairments			(3,000)
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		150		150		$ 150	$ 150
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	150		150			150	150	150
Intangible assets - finite-lived, Accumulated Amortization	(92)		(87)			(92)	(87)
Intangible assets - finite-lived, Net Book Value	58		63			$ 58	$ 63
Beauty | Licenses
Goodwill and intangible assets
Useful life						5 years 9 months 18 days	6 years 9 months 18 days
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		13,696		13,696		$ 13,696	$ 13,696
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	13,696		13,696			13,696	13,696	13,696
Intangible assets - finite-lived, Accumulated Amortization	(11,849)		(11,532)			(11,849)	(11,532)
Intangible assets - finite-lived, Net Book Value	1,847		2,164			$ 1,847	$ 2,164
Beauty | Other intangible assets
Goodwill and intangible assets
Useful life						1 year 2 months 12 days	2 years 2 months 12 days
Changes in intangible assets - finite-lived
Intangible assets - finite-lived, Gross Carrying Amount, balance at the beginning of the period		46,402		47,876		$ 46,402	$ 47,876
Intangible assets - finite-lived, Acquisition and Retirement Adjustments							(1,474)
Intangible assets - finite-lived, Gross Carrying Amount, balance at the end of the period	46,402		46,402			46,402	46,402	47,876
Intangible assets - finite-lived, Accumulated Amortization	(39,929)		(34,545)			(39,929)	(34,545)
Intangible assets - finite-lived, Net Book Value	6,473		11,857			6,473	11,857
Beauty | Trademarks
Goodwill and intangible assets
Non-cash indefinite-lived intangible assets impairment charges				3,000		2,900	6,000
Non-cash indefinite-lived intangible assets impairment charges, net of tax				2,700	$ 9,000
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		48,754		54,754		48,754	54,754
Intangible assets - indefinite-lived, Impairments				(3,000)		(2,900)	(6,000)
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	45,854		48,754			45,854	48,754	54,754
Estimated Amortization Expense
Non-cash impairment charges after tax					$ 8,200
Beauty | Licenses
Changes in intangible assets - indefinite-lived
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the beginning of the period		$ 10,300		$ 10,300		10,300	10,300
Intangible assets - indefinite-lived, Gross Carrying Amount, balance at the end of the period	$ 10,300		$ 10,300			$ 10,300	$ 10,300	$ 10,300

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Gross amount, as of the balance sheet date, of finite-lived intangible assets, indefinite-lived intangible assets and goodwill.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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