SEC Filings

Form	Description	Filing date	View	Filer
SC 13G/A	An amendment to the SC 13G filing	Feb 17, 2009	View HTML 0000902219-09-000816.pdf 0000902219-09-000816.xls	WELLINGTON MANAGEMENT GROUP LLP
SC 13G/A	An amendment to the SC 13G filing	May 09, 2012	View HTML 0001086364-12-002401.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 05, 2013	View HTML 0001086364-13-002320.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2013	View HTML 0000902219-13-000236.pdf 0000902219-13-000236.xls
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2013	View HTML 0000315066-13-002670.pdf
SC 13G/A	An amendment to the SC 13G filing	Jan 10, 2014	View HTML 0000315066-14-000365.pdf
SC 13G/A	An amendment to the SC 13G filing	Jan 30, 2014	View HTML 0001086364-14-001192.pdf
SC 13G/A	An amendment to the SC 13G filing	Feb 14, 2014	View HTML 0000902219-14-000802.pdf 0000902219-14-000802.xls
SC 13G/A	An amendment to the SC 13G filing	Jul 10, 2014	View HTML 0001086364-14-002421.pdf
SC 13G/A	An amendment to the SC 13G filing	Jan 09, 2015	View HTML 0001086364-15-000127.pdf

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