Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2011

Goodwill and Other Intangible Assets

Goodwill (Table)

	Retirement and Investor Services		Principal Global Investors		Principal International			U.S. Insurance Solutions		Corporate			Consolidated
	(in millions)
Balances at January 1, 2010	$	72.6	$	169.0	$	56.3		$	43.4	$	45.1		$	386.4
Impairment		—		—		—			—		(43.6	)		(43.6	)
Foreign currency translation		—		—		4.2			—		—			4.2
Other		—		—		(1.6	)		—		—			(1.6	)
Balances at December 31, 2010		72.6		169.0		58.9			43.4		1.5			345.4
Goodwill from acquisitions		—		68.0		86.2			—		—			154.2
Foreign currency translation		—		—		(17.3	)		—		—			(17.3	)
Other		—		—		—			1.5		(1.5	)		—
Balances at December 31, 2011	$	72.6	$	237.0	$	127.8		$	44.9	$	—		$	482.3

Finite Lived Intangible Assets (Table)

	December 31,
	2011						2010
	Gross carrying amount		Accumulated amortization		Net carrying amount		Gross carrying amount		Accumulated amortization		Net carrying amount
	(in millions)
Present value of future profits	$	191.7	$	47.9	$	143.8	$	148.7	$	48.7	$	100.0
Other finite lived intangible assets		218.9		139.3		79.6		194.3		128.5		65.8
Total amortized intangible assets	$	410.6	$	187.2	$	223.4	$	343.0	$	177.2	$	165.8

Present Value of Future Profits (Table)

Balance at January 1, 2009	$	84.4
Interest accrued		7.6
Amortization		(8.9	)
Foreign currency translation		5.1
Other		10.2
Balance at December 31, 2009		98.4
Interest accrued		8.0
Amortization		(11.5	)
Foreign currency translation		5.1
Balance at December 31, 2010		100.0
Acquisitions		67.4
Interest accrued		9.4
Amortization		(14.2	)
Foreign currency translation		(18.8	)
Balance at December 31, 2011	$	143.8

Present Value of Future Profits Estimated Amortization Expense (Table)

Year ending December 31:
2012	$	2.2
2013		2.3
2014		3.3
2015		4.3
2016		5.2

Other Finite Lived Intangible Assets Estimated Amortization Expense (Table)

Year ending December 31:
2012	$	13.3
2013		11.5
2014		10.5
2015		8.9
2016		8.8