v3.25.2
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Jul. 31, 2022
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2017
Jul. 31, 2016
Jul. 31, 2015
Jul. 31, 2025
Class A                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class A (with sales charge)
Accumulated Value $ 13,826 $ 12,706 $ 11,913 $ 12,619 $ 11,248 $ 11,292 $ 10,844 $ 10,402 $ 9,410 $ 9,775 $ 14,913
Class C                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class C (with sales charge)
Accumulated Value 13,260 12,274 11,590 12,366 11,101 11,225 10,837 10,488 9,554 10,000 $ 14,231
Class C1                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class C1 (with sales charge)
Accumulated Value 13,620 12,581 11,848 12,599 11,283 11,363 10,936 10,551 9,587 10,000 $ 14,642
Class R                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class R
Accumulated Value 13,667 12,614 11,867 12,646 11,310 11,379 10,971 10,564 9,585 10,000 $ 14,679
Class I                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Class I
Accumulated Value 1,449,352 1,328,749 1,242,503 1,312,117 1,166,641 1,167,874 1,118,397 1,069,569 965,111 1,000,000 $ 1,566,797
Bloomberg U.S. Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate Index
Accumulated Value 11,405 10,851 11,229 12,356 12,443 11,299 10,455 10,539 10,594 10,000 $ 11,790
Bloomberg U.S. Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate Index
Accumulated Value 11,405 10,851 11,229 12,356 12,443 11,299 10,455 10,539 10,594 10,000 $ 11,790
Bloomberg U.S. Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate Index
Accumulated Value 11,405 10,851 11,229 12,356 12,443 11,299 10,455 10,539 10,594 10,000 $ 11,790
Bloomberg U.S. Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate Index
Accumulated Value 11,405 10,851 11,229 12,356 12,443 11,299 10,455 10,539 10,594 10,000 $ 11,790
Bloomberg U.S. Aggregate Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. Aggregate Index
Accumulated Value 1,140,472 1,085,120 1,122,940 1,235,579 1,244,311 1,129,947 1,045,465 1,053,897 1,059,350 1,000,000 $ 1,179,040
Bloomberg US High Yield 1-5 Year Cash Pay 2% Constrained Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield 1-5 Year Cash Pay 2% Constrained Index
Accumulated Value 15,603 14,133 13,337 13,939 12,479 12,482 11,929 11,445 10,366 10,000 $ 16,961
Bloomberg US High Yield 1-5 Year Cash Pay 2% Constrained Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield 1-5 Year Cash Pay 2% Constrained Index
Accumulated Value 15,603 14,133 13,337 13,939 12,479 12,482 11,929 11,445 10,366 10,000 $ 16,961
Bloomberg US High Yield 1-5 Year Cash Pay 2% Constrained Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield 1-5 Year Cash Pay 2% Constrained Index
Accumulated Value 15,603 14,133 13,337 13,939 12,479 12,482 11,929 11,445 10,366 10,000 $ 16,961
Bloomberg US High Yield 1-5 Year Cash Pay 2% Constrained Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield 1-5 Year Cash Pay 2% Constrained Index
Accumulated Value 15,603 14,133 13,337 13,939 12,479 12,482 11,929 11,445 10,366 10,000 $ 16,961
Bloomberg US High Yield 1-5 Year Cash Pay 2% Constrained Index [Member]                      
Account Value [Line Items]                      
Line Graph and Table Measure Name                     Bloomberg U.S. High Yield 1-5 Year Cash Pay 2% Constrained Index
Accumulated Value $ 1,560,335 $ 1,413,263 $ 1,333,679 $ 1,393,869 $ 1,247,946 $ 1,248,187 $ 1,192,920 $ 1,144,490 $ 1,036,578 $ 1,000,000 $ 1,696,063