Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Statement Of Financial Position [Abstract]    
Allowance for doubtful accounts $ 1,991 $ 2,211
Property, accumulated depreciation and amortization $ 345,950 $ 327,864
Common shares, par value $ 0.001 $ 0.001
Common shares, shares authorized 1,000,000,000 1,000,000,000
Common shares, shares outstanding 101,300,000 101,100,000