The company also said its second-quarter earnings rose 2 percent to $329.1 million, or $1.27 a share.
Second-quarter earnings will be released in two weeks, the company said.
It had planned to report its second-quarter earnings this week, but will not do so now.
This year's second-quarter earnings included a tax credit of $10.8 million, the company said.
Without those sales, second-quarter earnings would have been $111 million, or 65 cents a share.
"Without this reduction, second-quarter earnings would have been about $138 million."
Experts who follow the company said they expect second-quarter earnings, due out in two weeks, to show strong results.
The company reported on Monday that its second-quarter earnings fell 37 percent.
The company said that the move was not a reaction to its second-quarter earnings, which dropped 85 percent from the period a year earlier.
He noted that most estimates were for second-quarter earnings of $1.60 to $1.70 a share.