XML 26 R27.htm IDEA: XBRL DOCUMENT

Earnings Per Share - Additional Information (Detail)	3 Months Ended		6 Months Ended
Earnings Per Share - Additional Information (Detail)	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive stock options outstanding	333,000	369,000	333,000	369,000
Shares of common stock issued upon vesting of restricted stock	45,000	23,000	336,000	255,000
Convertible Notes Due 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Long-term debt	1.75%		1.75%

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References+ Details