Shareholder Fees	Jul. 31, 2020
Prospectus #1 | Delaware Corporate Bond Fund | Class A
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	4.50%
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[1]
Prospectus #1 | Delaware Corporate Bond Fund | Class C
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	1.00%	[1]
Prospectus #1 | Delaware Corporate Bond Fund | Class R
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[1]
Prospectus #1 | Delaware Corporate Bond Fund | Institutional Class
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[1]
Prospectus #1 | Delaware Corporate Bond Fund | Class R6
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[1]
Prospectus #1 | Delaware Extended Duration Bond Fund | Class A
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	4.50%
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[2]
Prospectus #1 | Delaware Extended Duration Bond Fund | Class C
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	100.00%	[2]
Prospectus #1 | Delaware Extended Duration Bond Fund | Class R
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[2]
Prospectus #1 | Delaware Extended Duration Bond Fund | Institutional Class
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[2]
Prospectus #1 | Delaware Extended Duration Bond Fund | Class R6
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[2]
Prospectus #2 | Delaware Floating Rate Fund | Class A
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	2.75%
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[3]
Prospectus #2 | Delaware Floating Rate Fund | Class C
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	1.00%	[3]
Prospectus #2 | Delaware Floating Rate Fund | Class R
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[3]
Prospectus #2 | Delaware Floating Rate Fund | Institutional Class
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[3]
Prospectus #3 | Delaware High-Yield Opportunities Fund | Class A
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	4.50%
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[4]
Prospectus #3 | Delaware High-Yield Opportunities Fund | Class C
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	1.00%	[4]
Prospectus #3 | Delaware High-Yield Opportunities Fund | Class R
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[4]
Prospectus #3 | Delaware High-Yield Opportunities Fund | Institutional Class
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum contingent deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none	[4]

[1] Class C shares redeemed within one year of purchase are subject to a 1.00% contingent deferred sales charge (CDSC).

[2] Class C shares redeemed within one year of purchase are subject to a 1.00% contingent deferred sales charge (CDSC).

[3] Class C shares redeemed within one year of purchase are subject to a 1.00% contingent deferred sales charge (CDSC).

[4] Class C shares redeemed within one year of purchase are subject to a 1.00% contingent deferred sales charge (CDSC).