Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

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):

2016		2015		2014
$	39,879	$	36,783	$	38,674

Advertising expense

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

2016		2015		2014
$	7,011	$	7,127	$	6,894

Fair value measurements

	Fair Value at December 31,
	2016		2015
Level 2
Unrealized gains on interest rate swaps	$	1,521	$	—
Unrealized losses on interest rate swaps	3,138		3,295
Level 3
Contingent consideration liabilities	$	1,611	$	806

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):

	2016			2015			2014
Balance at beginning of year	$	4,205		$	4,008		$	4,547
Bad debt expense	1,199			1,110			1,167
Write-offs, net of recoveries	(1,354		)	(913		)	(1,706		)
Balance at end of year	$	4,050		$	4,205		$	4,008

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):

	2016			2015			2014
Balance at beginning of year	$	6,979		$	6,403		$	7,103
Provision for inventory write-downs	2,036			3,043			1,535
Deduction for inventory write-offs	(2,484		)	(2,467		)	(2,235		)
Balance at end of year	$	6,531		$	6,979		$	6,403

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 - 6 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):

2016		2015		2014
$	20,338	$	16,373	$	14,495

Redeemable noncontrolling interest

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

	2016			2015			2014
Redeemable noncontrolling interest, beginning of period	$	2,665		$	3,113		$	—
Acquisition date value	—			—			3,131
Net income (loss) attributable to noncontrolling interest	(352		)	(51		)	338
Other comprehensive loss attributable to noncontrolling interest	(26		)	(397		)	(356		)
Redeemable noncontrolling interest, end of period	$	2,287		$	2,665		$	3,113

Accumulated other comprehensive loss

The table below presents the components of our Accumulated other comprehensive loss balance (in thousands):

	December 31,
	2016			2015
Foreign currency translation adjustments	$	(13,024	)	$	(11,362	)
Unrealized losses on interest rate swaps, net of tax	(1,054		)	(2,367		)
Accumulated other comprehensive loss	$	(14,078	)	$	(13,729	)

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,
	2016		2015		2014
Cash paid during the year for:
Interest	$	8,052	$	6,316	$	6,481
Income taxes, net of refunds	80,378		65,668		58,405