Results of Reportable Segments (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 29, 2020	Feb. 28, 2019	Feb. 29, 2020	Feb. 28, 2019	May 31, 2019
Segment Reporting Information [Line Items]
Net Sales	$ 1,173,976	$ 1,140,630	$ 4,048,033	$ 3,963,150
Income (Loss) Before Income Taxes	16,308	4,464	260,909	162,995
Identifiable Assets	5,565,870		5,565,870		$ 5,441,355
Domestic
Segment Reporting Information [Line Items]
Net Sales	781,117	740,807	2,711,357	2,592,867
Foreign
Segment Reporting Information [Line Items]
Net Sales	392,859	399,823	1,336,676	1,370,283
Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	66,363	69,993	267,649	269,012
Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	217,652	219,701	725,496	756,121
Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	55,133	51,507	172,770	158,064
Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	37,070	43,306	118,702	132,920
Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	16,641	15,316	52,059	54,166
Operating Segments | CPG Segment
Segment Reporting Information [Line Items]
Net Sales	372,082	355,332	1,407,697	1,340,122
Income (Loss) Before Income Taxes	(478)	(4,025)	139,324	96,375
Identifiable Assets	1,518,968		1,518,968		1,573,329
Operating Segments | CPG Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	190,741	170,959	769,308	690,142
Operating Segments | CPG Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	181,341	184,373	638,389	649,980
Operating Segments | CPG Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	25,978	28,484	122,620	125,556
Operating Segments | CPG Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	95,207	100,022	327,057	353,937
Operating Segments | CPG Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	38,803	35,735	124,734	110,028
Operating Segments | CPG Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	18,390	20,087	58,254	59,775
Operating Segments | CPG Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	2,963	45	5,724	684
Operating Segments | PCG Segment
Segment Reporting Information [Line Items]
Net Sales	255,686	253,225	845,639	841,605
Income (Loss) Before Income Taxes	22,240	14,365	83,617	44,990
Identifiable Assets	966,995		966,995		951,644
Operating Segments | PCG Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	151,012	147,553	506,664	494,528
Operating Segments | PCG Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	104,674	105,672	338,975	347,077
Operating Segments | PCG Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	17,064	18,210	57,345	63,069
Operating Segments | PCG Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	61,191	57,014	195,650	181,784
Operating Segments | PCG Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	8,946	8,685	26,230	26,877
Operating Segments | PCG Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	5,705	8,328	19,799	27,852
Operating Segments | PCG Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	11,768	13,435	39,951	47,495
Operating Segments | Consumer Segment
Segment Reporting Information [Line Items]
Net Sales	398,743	378,313	1,328,974	1,280,931
Income (Loss) Before Income Taxes	29,798	25,272	123,413	118,078
Identifiable Assets	2,018,854		2,018,854		1,953,279
Operating Segments | Consumer Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	319,838	298,022	1,059,568	1,003,493
Operating Segments | Consumer Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	78,905	80,291	269,406	277,438
Operating Segments | Consumer Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	21,280	21,404	80,860	73,813
Operating Segments | Consumer Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	42,569	43,367	142,319	155,722
Operating Segments | Consumer Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	6,987	6,781	20,629	20,183
Operating Segments | Consumer Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	6,159	6,903	19,214	21,733
Operating Segments | Consumer Segment | Foreign | Other Foreign
Segment Reporting Information [Line Items]
Net Sales	1,910	1,836	6,384	5,987
Operating Segments | Specialty Segment
Segment Reporting Information [Line Items]
Net Sales	147,465	153,760	465,723	500,492
Income (Loss) Before Income Taxes	12,942	16,115	55,031	66,049
Identifiable Assets	737,203		737,203		689,133
Operating Segments | Specialty Segment | Domestic
Segment Reporting Information [Line Items]
Net Sales	119,526	124,273	375,817	404,704
Operating Segments | Specialty Segment | Foreign
Segment Reporting Information [Line Items]
Net Sales	27,939	29,487	89,906	95,788
Operating Segments | Specialty Segment | Foreign | Canada
Segment Reporting Information [Line Items]
Net Sales	2,041	1,895	6,824	6,574
Operating Segments | Specialty Segment | Foreign | Europe
Segment Reporting Information [Line Items]
Net Sales	18,685	19,298	60,470	64,678
Operating Segments | Specialty Segment | Foreign | Latin America
Segment Reporting Information [Line Items]
Net Sales	397	306	1,177	976
Operating Segments | Specialty Segment | Foreign | Asia Pacific
Segment Reporting Information [Line Items]
Net Sales	6,816	7,988	21,435	23,560
Corporate/Other
Segment Reporting Information [Line Items]
Income (Loss) Before Income Taxes	(48,194)	$ (47,263)	(140,476)	$ (162,497)
Identifiable Assets	$ 323,850		$ 323,850		$ 273,970