Annual report pursuant to Section 13 and 15(d)

Consolidated Statement of Cash Flows Supplemental Disclosures ( Changes in operating assets and liabilities) (Details)

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Consolidated Statement of Cash Flows Supplemental Disclosures ( Changes in operating assets and liabilities) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Consolidated Statements of Cash Flows Supplemental Disclosures [Abstract]      
(Increase) decrease in accounts receivable, net $ (9,386) $ (16,900) $ 12,283
Increase in prepaid expenses (350) (1,949) (1,459)
(Increase) decrease in inventories (4,576) (1,718) 3,461
Decrease in other current assets 1,953 309 1,037
Decrease in other assets 1,236 907 2,663
Increase (decrease) in accounts payable 3,085 (1,373) 1,683
Increase (decrease) in deferred revenues 3,215 4,707 (4,108)
Increase (decrease) in accrued payroll and payroll related obligations (2,750) (102) 271
Increase (decrease) in accrued liabilities 3,043 (1,733) 2,585
Increase (decrease) in accrued interest 106 (6,776) (1,365)
Increase (decrease) in subscriber deposits 116 (21) (278)
Decrease in long-term deferred revenue (5,001) (2,413) (3,167)
Decrease in components of other long-term liabilities (1,301) (1,618) (362)
Total $ (10,610) $ (28,680) $ 13,244