Equity

3 Months Ended

Mar. 31, 2013

Stockholders' Equity Note [Abstract]

Equity

Equity

On March 20, 2013, a dividend of $0.45 per share was paid to stockholders of record on March 6, 2013. Dividends include dividend equivalents of $1.6 million and $1.4 million, which were paid on outstanding restricted stock units during the three month periods ended March 31, 2013 and March 31, 2012, respectively.

During the three month period ended March 31, 2013, 482,711 restricted stock units vested and were issued as common stock of which the Company is deemed to have repurchased 177,969 shares at an average price of $58.88 per share in conjunction with the payment of tax liabilities in respect of stock delivered to its employees in settlement of restricted stock units. In addition, during the three month period ended March 31, 2013, the Company repurchased in open market transactions 169,809 shares of its common stock at an average price of $58.93.

During the three month period ended March 31, 2012, 553,729 restricted stock units vested and were issued as common stock of which the Company is deemed to have repurchased 146,875 shares at an average price of $46.83 per share in conjunction with the payment of tax liabilities in respect of stock delivered to its employees in settlement of restricted stock units. In addition, during the three month period ended March 31, 2012, the Company repurchased in open market transactions 56,812 shares of its common stock at an average price of $44.00.