Annual report pursuant to Section 13 and 15(d)

Schedule II - Schedule of Valuation and Qualifying Accounts (Details)

v3.3.1.900
Schedule II - Schedule of Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Allowance for doubtful accounts [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance January 1, $ 7,815 $ 9,078 $ 11,711
Charged to Expenses (Benefit) 47,187 44,961 39,016
Write-offs/ Payments/ Other (48,884) (46,224) (41,649)
Balance December 31, 6,118 7,815 9,078
Deferred tax assets—valuation allowance [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance January 1, 4,995 7,831 9,835
Charged to Expenses (Benefit) 44,100 (2,836) (4,228)
Write-offs/ Payments/ Other 0 0 2,224
Balance December 31, 49,095 4,995 7,831
Allowance for obsolescence [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Balance January 1, 10,724 14,218 16,159
Charged to Expenses (Benefit) (34) (335) (773)
Write-offs/ Payments/ Other (741) (3,159) (1,168)
Balance December 31, $ 9,949 $ 10,724 $ 14,218