Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Organization and Summary of Significant Accounting Policies [Abstract]

Shipping and handling costs associated with outbound freight

The table below presents shipping and handling costs associated with outbound freight, which we include in selling and administrative expenses (in thousands):

2012		2011		2010
$	33,964	$	33,588	$	29,924

Advertising expense

We expense advertising costs when incurred. The table below presents advertising expense for the past three years (in thousands):

2012		2011		2010
$	6,248	$	5,484	$	5,534

Fair Value, by Balance Sheet Grouping [Table Text Block]

The table below presents the estimated fair value of our swap agreements (in thousands):

	Fair Value at December 31,
Level 2	2012			2011
Unrealized Losses on Interest Rate Swaps	$	(3,404	)	$	(420	)

Summary of changes in allowance for doubtful accounts

The following table summarizes the changes in our allowance for doubtful accounts for the past three years (in thousands):

	2012			2011			2010
Balance at beginning of year	$	5,900		$	7,102		$	11,426
Bad debt expense	1,007			2,958			779
Write-offs, net of recoveries	(1,430		)	(4,160		)	(5,103		)
Balance at end of year	$	5,477		$	5,900		$	7,102

Summary of changes in allowance for inventory obsolescence

The following table summarizes the changes in our allowance for inventory obsolescence for the past three years (in thousands):

	2012			2011			2010
Balance at beginning of year	$	7,073		$	7,084		$	7,805
Provision for inventory write-downs	3,852			3,590			875
Deduction for inventory write-offs	(3,405		)	(3,601		)	(1,596		)
Balance at end of year	$	7,520		$	7,073		$	7,084

Estimated useful lives of property and equipment

We depreciate property and equipment on a straight-line basis over the following estimated useful lives:

Buildings	40 years
Leasehold improvements (1)	1 - 10 years
Autos and trucks	3 - 5 years
Machinery and equipment	3 - 10 years
Computer equipment	3 - 7 years
Furniture and fixtures	5 - 10 years

⁽¹⁾  For substantial improvements made near the end of a lease term where we are reasonably certain the lease will be renewed, we amortize the leasehold improvement over the remaining life of the lease including the expected renewal period.

Depreciation expense

The table below presents depreciation expense for the past three years (in thousands):

2012		2011		2010
$	11,592	$	9,746	$	8,980

Supplemental disclosures to Consolidated Statements of Cash Flows

The supplemental disclosures to the accompanying Consolidated Statements of Cash Flows are as follows (in thousands):

	Year Ended December 31,
	2012		2011		2010
Cash paid during the year for:
Interest	$	5,495	$	7,104	$	7,690
Income taxes, net of refunds	45,404		39,771		25,965