Income Taxes (Tables)

12 Months Ended

Dec. 30, 2012

Income Tax Disclosure [Abstract]

Components of Income Tax Provision (Benefit)

Provision (benefit) for income taxes from continuing operations was as follows (in millions): 

	2012			2011			2010
Current
Federal	$	44.2		$	29.1		$	36.8
State	4.8			8.1			(1.8		)
Foreign	7.4			10.0			(1.4		)
Total current	56.4			47.2			33.6
Deferred
Federal	11.8			28.3			16.1
State	4.4			(5.1		)	3.9
Foreign	(7.2		)	(0.9		)	—
Total deferred	9.0			22.3			20.0
Provision for income taxes	$	65.4		$	69.5		$	53.6

Reconciliation of the Statutory Federal Income Tax Rate to the Actual Effective Income Tax Rate

The following is a reconciliation of the statutory federal income tax rate to the actual effective income tax rate:

	2012		2011		2010
U.S. federal statutory tax rate	35.0	%	35.0	%	35.0	%
State and local taxes, net of federal benefit	3.2		1.8		3.8
Research and development tax credits	(2.4	)	(2.6	)	(6.7	)
Qualified production activity deduction	(1.9	)	(1.4	)	(1.8	)
Foreign rate differential	(6.0	)	(2.2	)	—
Accruals for unrecognized tax benefits	0.7		2.3		—
Other	0.1		—		0.6
Effective income tax rate	28.7	%	32.9	%	30.9	%

Schedule of Deferred Tax Assets and Liabilities

The categories of assets and liabilities that have resulted in differences in the timing of the recognition of income and expense were as follows (in millions):

	2012		2011
Deferred income tax assets:
Current:
Accrued liabilities	$	11.8	$	11.8
Inventory valuation	11.5		11.1
Accrued vacation	11.1		10.4
Deferred compensation and other benefits plans	1.0		1.0
Intangible amortization	5.7		3.0
Long-term:
Postretirement benefits other than pensions	5.8		6.4
Accrued liabilities	9.4		18.3
Deferred compensation and other benefit plans	37.4		16.0
Tax credit and NOL carryforward amounts	34.0		28.2
Total deferred income tax assets	127.7		106.2
Deferred income tax liabilities:
Current:
Other items	1.3		2.2
Long-term:
Property, plant and equipment differences	54.6		24.3
Intangible amortization	65.3		57.0
Other items	—		0.7
Total deferred income tax liabilities	121.2		84.2
Net deferred income tax assets	$	6.5	$	22.0

Rollforward of our Unrecognized Tax Benefits

The following presents a rollforward of our unrecognized tax benefits (in millions):

	2012			2011			2010
Beginning of year	$	25.8		$	10.1		$	25.2
Increase (decrease) in prior year tax positions (a)	18.1			18.7			(3.5		)
Increase for tax positions taken during the current period	1.5			0.7			0.6
Reduction related to settlements with taxing authorities	—			—			(9.2		)
Reduction related to lapse of the statute of limitations	(2.9		)	(3.5		)	(3.0		)
Impact of exchange rate changes	0.1			(0.2		)	—
End of year	$	42.6		$	25.8		$	10.1
a) Includes the impact of acquisitions in 2012 and 2011.