The company now expects revenue growth of 6 percent to 7 percent, implying full-year revenue of $4.47 billion to 4.51 billion and an adjusted profit of $2.40 to $2.46 per share.
It earlier forecast a profit of $2.38 to $2.48 per share, excluding items, and revenue growth of 6 percent to 8 percent.
Net income for the second quarter fell modestly to $223.9 million, or 45 cents per share, from $229.4 million, or 45 cents per share, a year earlier.
Excluding items, the company earned 60 cents per share.
Revenue rose 10 percent to $1.12 billion.
Analysts expected an adjusted profit of 59 cents per share on revenue of $1.11 billion.
Shares of the company which closed at $32.89 on the Nasdaq on Tuesday fell 4 percent to $31.66 in trading after the bell.
Copyright Thomson Reuters 2012