Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Organization and Summary of Significant Accounting Policies [Abstract]

Redeemable Noncontrolling Interest [Table Text Block]

The table below presents the changes in Redeemable noncontrolling interest (in thousands):

	December 31, 2014
Redeemable noncontrolling interest, beginning of period	$	—
Acquisition date value of noncontrolling interest	3,131
Net income attributable to noncontrolling interest	338
Other comprehensive loss attributable to noncontrolling interest	(356		)
Redeemable noncontrolling interest, end of period	$	3,113

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):

2014		2013		2012
$	38,674	$	35,010	$	33,964

Advertising expense

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

2014		2013		2012
$	6,894	$	5,917	$	6,248

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

	Fair Value at December 31,
Level 2	2014			2013
Unrealized losses on interest rate swaps	$	(2,207	)	$	(1,710	)

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):

	2014			2013			2012
Balance at beginning of year	$	4,547		$	5,477		$	5,900
Bad debt expense	1,167			838			1,007
Write-offs, net of recoveries	(1,706		)	(1,768		)	(1,430		)
Balance at end of year	$	4,008		$	4,547		$	5,477

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):

	2014			2013			2012
Balance at beginning of year	$	7,103		$	7,520		$	7,073
Provision for inventory write-downs	1,535			1,538			3,852
Deduction for inventory write-offs	(2,235		)	(1,955		)	(3,405		)
Balance at end of year	$	6,403		$	7,103		$	7,520

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 - 15 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):

2014		2013		2012
$	14,495	$	13,359	$	11,592

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,
	2014		2013		2012
Cash paid during the year for:
Interest	$	6,481	$	5,963	$	5,495
Income taxes, net of refunds	58,405		47,138		45,404