Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

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):

2013		2012		2011
$	35,010	$	33,964	$	33,588

Advertising expense

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

2013		2012		2011
$	5,917	$	6,248	$	5,484

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

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

	Fair Value at December 31,
Level 2	2013			2012
Unrealized Losses on Interest Rate Swaps	$	(1,710	)	$	(3,404	)

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):

	2013			2012			2011
Balance at beginning of year	$	5,477		$	5,900		$	7,102
Bad debt expense	838			1,007			2,958
Write-offs, net of recoveries	(1,768		)	(1,430		)	(4,160		)
Balance at end of year	$	4,547		$	5,477		$	5,900

Summary of changes in allowance for inventory obsolescence

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

	2013			2012			2011
Balance at beginning of year	$	7,520		$	7,073		$	7,084
Provision for inventory write-downs	1,538			3,852			3,590
Deduction for inventory write-offs	(1,955		)	(3,405		)	(3,601		)
Balance at end of year	$	7,103		$	7,520		$	7,073

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):

2013		2012		2011
$	13,359	$	11,592	$	9,746

Supplemental disclosures to Consolidated Statements of Cash Flows

The following table presents supplemental disclosures to the accompanying Consolidated Statements of Cash Flows (in thousands):

	Year Ended December 31,
	2013		2012		2011
Cash paid during the year for:
Interest	$	5,963	$	5,495	$	7,104
Income taxes, net of refunds	47,138		45,404		39,771