Results of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Feb. 28, 2021	Feb. 29, 2020	May 31, 2020
Segment Reporting Information [Line Items]
Net Sales	$ 1,269,395	$ 1,173,976	$ 4,361,981	$ 4,048,033
Income (Loss) Before Income Taxes	55,860	16,308	464,185	260,909
Identifiable Assets	5,792,385		5,792,385		$ 5,630,954
Domestic
Segment Reporting Information [Line Items]
Net Sales	848,842	781,117	2,966,965	2,711,357
Foreign
Segment Reporting Information [Line Items]
Net Sales	420,553	392,859	1,395,016	1,336,676
Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	83,233	66,363	305,368	267,649
Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	231,830	217,652	767,364	725,496
Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	54,238	55,133	159,003	172,770
Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	35,408	37,070	113,661	118,702
Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	15,844	16,641	49,620	52,059
Operating Segments | CPG Segment
Segment Reporting Information [Line Items]
Net Sales	395,969	372,082	1,447,179	1,407,697
Income (Loss) Before Income Taxes	14,431	(478)	184,613	139,324
Identifiable Assets	1,580,429		1,580,429		1,622,632
Operating Segments | CPG Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	195,193	190,741	784,246	769,308
Operating Segments | CPG Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	200,776	181,341	662,933	638,389
Operating Segments | CPG Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	32,853	25,978	137,181	122,620
Operating Segments | CPG Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	106,172	95,207	344,478	327,057
Operating Segments | CPG Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	39,555	38,803	114,545	124,734
Operating Segments | CPG Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	19,020	18,390	57,607	58,254
Operating Segments | CPG Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	3,176	2,963	9,122	5,724
Operating Segments | PCG Segment
Segment Reporting Information [Line Items]
Net Sales	226,523	255,686	745,145	845,639
Income (Loss) Before Income Taxes	12,158	22,240	64,719	83,617
Identifiable Assets	958,243		958,243		925,569
Operating Segments | PCG Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	132,075	151,012	436,617	506,664
Operating Segments | PCG Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	94,448	104,674	308,528	338,975
Operating Segments | PCG Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	16,303	17,064	51,613	57,345
Operating Segments | PCG Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	53,156	61,191	180,681	195,650
Operating Segments | PCG Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	6,681	8,946	19,413	26,230
Operating Segments | PCG Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	5,640	5,705	16,323	19,799
Operating Segments | PCG Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	12,668	11,768	40,498	39,951
Operating Segments | Consumer Segment
Segment Reporting Information [Line Items]
Net Sales	477,742	398,743	1,666,418	1,328,974
Income (Loss) Before Income Taxes	42,724	29,798	263,813	123,413
Identifiable Assets	2,252,324		2,252,324		2,067,017
Operating Segments | Consumer Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	381,712	319,838	1,332,531	1,059,568
Operating Segments | Consumer Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	96,030	78,905	333,887	269,406
Operating Segments | Consumer Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	31,833	21,280	110,201	80,860
Operating Segments | Consumer Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	53,097	42,569	184,161	142,319
Operating Segments | Consumer Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	7,593	6,987	23,755	20,629
Operating Segments | Consumer Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	3,507	6,159	15,770	19,214
Operating Segments | Consumer Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales		1,910		6,384
Operating Segments | Specialty Products Group ("SPG") Segment
Segment Reporting Information [Line Items]
Net Sales	169,161	147,465	503,239	465,723
Income (Loss) Before Income Taxes	24,560	12,942	73,415	55,031
Identifiable Assets	749,777		749,777		728,449
Operating Segments | Specialty Products Group ("SPG") Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	139,862	119,526	413,571	375,817
Operating Segments | Specialty Products Group ("SPG") Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	29,299	27,939	89,668	89,906
Operating Segments | Specialty Products Group ("SPG") Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	2,244	2,041	6,373	6,824
Operating Segments | Specialty Products Group ("SPG") Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	19,405	18,685	58,044	60,470
Operating Segments | Specialty Products Group ("SPG") Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	409	397	1,290	1,177
Operating Segments | Specialty Products Group ("SPG") Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	7,241	6,816	23,961	21,435
Corporate/Other
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	(38,013)	$ (48,194)	(122,375)	$ (140,476)
Identifiable Assets	$ 251,612		$ 251,612		$ 287,287