Summary of Charges Recorded in Connection with Restructuring by Reportable Segment (Detail) $ in Thousands	3 Months Ended
	Aug. 31, 2018 USD ($)
Restructuring Cost And Reserve [Line Items]
Current Year Charges	$ 20,076
2020 MAP to Growth
Restructuring Cost And Reserve [Line Items]
Current Year Charges	20,076
Cumulative Costs to Date	37,589
Total Expected Costs	84,945
2020 MAP to Growth | Severance and Benefit Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	19,062
Cumulative Costs to Date	29,019
Total Expected Costs	41,246
2020 MAP to Growth | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	436
Cumulative Costs to Date	6,619
Total Expected Costs	40,703
2020 MAP to Growth | Other Asset Write-offs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	578
Cumulative Costs to Date	1,951
Total Expected Costs	2,996
2020 MAP to Growth | Consumer Segment
Restructuring Cost And Reserve [Line Items]
Current Year Charges	1,551
Cumulative Costs to Date	12,342
Total Expected Costs	22,943
2020 MAP to Growth | Consumer Segment | Severance and Benefit Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	1,551
Cumulative Costs to Date	7,203
Total Expected Costs	11,718
2020 MAP to Growth | Consumer Segment | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Cumulative Costs to Date	5,139
Total Expected Costs	11,225
2020 MAP to Growth | Industrial Segment
Restructuring Cost And Reserve [Line Items]
Current Year Charges	7,379
Cumulative Costs to Date	11,965
Total Expected Costs	41,737
2020 MAP to Growth | Industrial Segment | Severance and Benefit Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	6,365
Cumulative Costs to Date	8,534
Total Expected Costs	13,098
2020 MAP to Growth | Industrial Segment | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	436
Cumulative Costs to Date	1,480
Total Expected Costs	25,643
2020 MAP to Growth | Industrial Segment | Other Asset Write-offs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	578
Cumulative Costs to Date	1,951
Total Expected Costs	2,996
2020 MAP to Growth | Specialty Segment
Restructuring Cost And Reserve [Line Items]
Current Year Charges	2,147
Cumulative Costs to Date	2,147
Total Expected Costs	9,130
2020 MAP to Growth | Specialty Segment | Severance and Benefit Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	2,147
Cumulative Costs to Date	2,147
Total Expected Costs	5,295
2020 MAP to Growth | Specialty Segment | Facility Closure and Other Related Costs
Restructuring Cost And Reserve [Line Items]
Total Expected Costs	3,835
2020 MAP to Growth | Corporate/Other Segment
Restructuring Cost And Reserve [Line Items]
Current Year Charges	8,999
Cumulative Costs to Date	11,135
Total Expected Costs	11,135
2020 MAP to Growth | Corporate/Other Segment | Severance and Benefit Costs
Restructuring Cost And Reserve [Line Items]
Current Year Charges	8,999
Cumulative Costs to Date	11,135
Total Expected Costs	$ 11,135