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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000860413-12-000009
Filing Date
2012-02-28
Accepted
2012-02-27 19:07:15
Documents
13
Period of Report
2011-12-31

Document Format Files

Seq Description Document Type Size
1 fibk-20111231x10k.htm 10-K 3719777
2 fibk-20111231xex211.htm EX-21.1 18453
3 fibk-20111231xex231.htm EX-23.1 4184
4 fibk-20111231xex311.htm EX-31.1 13544
5 fibk-20111231xex312.htm EX-31.2 13649
6 fibk-20111231xex32.htm EX-32 8398
7 performancegraph.jpg GRAPHIC 223477
  Complete submission text file 0000860413-12-000009.txt   12024307

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT fibk-20111231.xml EX-101.INS 2030561
9 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT fibk-20111231.xsd EX-101.SCH 24448
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT fibk-20111231_cal.xml EX-101.CAL 80409
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT fibk-20111231_def.xml EX-101.DEF 102812
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT fibk-20111231_lab.xml EX-101.LAB 332663
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT fibk-20111231_pre.xml EX-101.PRE 171450
Mailing Address
Business Address P O BOX 30918 401 NO 31ST STREET BILLINGS MT 59116-0918 4062555300
FIRST INTERSTATE BANCSYSTEM INC (Filer) CIK: 0000860413 (see all company filings)

IRS No.: 810331430 | State of Incorp.: MT | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-34653 | Film No.: 12644080
SIC: 6022 State Commercial Banks