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Filing Detail
Form 8-K - Current report:
SEC Accession No. 0000073088-12-000173
Filing Date
2012-10-11
Accepted
2012-10-11 15:21:05
Documents
1
Period of Report
2012-10-05
Items
Item 2.06: Material Impairments

Document Format Files

Seq Description Document Type Size
1 8-K a8-k20121005mstiimpairment.htm 8-K 24464
  Complete submission text file 0000073088-12-000173.txt   25585
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Filer) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-10499 | Film No.: 121139926
SIC: 4931 Electric & Other Services Combined