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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-13-000598
Filing Date
2013-08-07
Accepted
2013-08-07 08:52:54
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 18026
  Complete submission text file 0000902219-13-000598.txt   19703
Mailing Address 2500 COLUMBIA AVE LANCASTER PA 17603
Business Address 2500 COLUMBIA AVE LANCASTER PA 17603 7173970611
ARMSTRONG WORLD INDUSTRIES INC (Subject) CIK: 0000007431 (see all company filings)

IRS No.: 230366390 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-30703 | Film No.: 131015846
SIC: 3089 Plastics Products, NEC

Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000