XML 77 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8
EMPLOYEE STOCK PURCHASE PLAN
12 Months Ended
Dec. 31, 2013
EMPLOYEE STOCK PURCHASE PLAN
12.   EMPLOYEE STOCK PURCHASE PLAN

The Company has established a qualified Employee Stock Purchase Plan, the terms of which allow for qualified employees (as defined in the Plan) to participate in the purchase of designated shares of the Company's common stock at a price equal to 85% of the closing price on the last business day of each semi-annual stock purchase period. The Company issued approximately 101,000, 136,000 and 114,000 shares of common stock during the years ended December 31, 2013, 2012 and 2011, respectively, pursuant to this plan at a weighted average price per share of $61.96, $39.44, and $33.76, respectively.