Shareholder Fees ((Delaware International Bond Fund Retail), Delaware International Bond Fund)	0 Months Ended
	Jul. 15, 2011
Class A
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	4.50%
Maximum deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none
Class C
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	1.00%	[1]
Class R
Shareholder Fees:
Maximum sales charge (load) imposed on purchases as a percentage of offering price	none
Maximum deferred sales charge (load) as a percentage of original purchase price or redemption price, whichever is lower	none

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