CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2011

CASH AND CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS

Composition of cash and cash equivalents

	December 31,
	2011		2010
	(Dollars in thousands)
Cash and amounts due from banks	$	761,892	$	1,028,929
Cash equivalents:
Money market funds		621		15,008
Other short-term investments		668,672		290,012
Total cash and cash equivalents	$	1,431,185	$	1,333,949

Schedule of short-term investments

	December 31,
	2011			2010
	(Dollars in thousands)
Balance at end of year	$	61,834		$	143,560
Average balance outstanding during the year		107,893			190,923
Maximum balance outstanding at any month-end		141,627			257,399
Weighted average interest rate at end of year		1.34	%		1.45	%