v3.26.1
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 24 Months Ended 36 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended 84 Months Ended 96 Months Ended 108 Months Ended 120 Months Ended
May 31, 2016
May 31, 2026
May 31, 2017
May 31, 2018
May 31, 2019
May 31, 2020
May 31, 2021
May 31, 2022
May 31, 2023
May 31, 2024
May 31, 2025
May 31, 2026
C000000149 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   with Maximum Sales Charge - 5.75%                    
Accumulated Value $ 9,427   $ 10,959 $ 11,512 $ 12,509 $ 14,686 $ 20,132 $ 19,428 $ 19,501 $ 25,383 $ 27,819 $ 34,131
C000000151 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   with Maximum Deferred Sales Charge - 1.00%                    
Accumulated Value 10,000   11,534 12,024 12,963 15,112 20,549 19,680 19,613 25,326 27,555 33,558
C000000152 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class I                    
Accumulated Value 10,000   11,665 12,293 13,385 15,756 21,654 20,949 21,079 27,488 30,206 37,173
C000174003 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class Y                    
Accumulated Value 989,388   1,158,332 1,242,434 1,424,599 1,626,919 2,230,426 1,945,165 2,221,592 2,838,646 3,158,806 3,713,400
C000000154 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Class Z                    
Accumulated Value 10,000   11,651 12,256 13,336 15,690 21,555 20,846 20,966 27,332 30,009 36,900
Standard & Poor's 500 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   S&P 500® Index                    
Accumulated Value 10,000   11,745 13,434 13,942 15,730 22,071 22,005 22,650 29,030 32,955 42,766
Standard And Poor s 500 C000174003 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value $ 1,000,000   $ 1,174,500 $ 1,343,393 $ 1,394,173 $ 1,573,046 $ 2,207,141 $ 2,200,519 $ 2,264,994 $ 2,903,043 $ 3,295,535 $ 4,276,600