Nature Of Business And Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Nature Of Business And Summary Of Significant Accounting Policies [Abstract]

Economic Useful Lives Of Property, Plant And Equipment

The following table presents the assigned economic useful lives of property, plant and equipment:

Category	Economic Useful Life
Buildings	30 years
Machinery and equipment	5-7 years
Office furniture and fixtures	3-5 years

Allowance For Doubtful Accounts

Activity related to the allowance for doubtful accounts was as follows:

	2013			2012			2011
Balance at January 1	$	2,173		$	1,605		$	2,143
Provision for bad debts, net of recoveries	323			642			(219		)
Uncollectable accounts written off	(31		)	(170		)	(309		)
Foreign currency translation	8			96			(10		)
Balance at December 31	$	2,473		$	2,173		$	1,605

Summary Of Product Warranty Activity

Activity related to the warranty accrual was as follows:

	2013			2012			2011
Balance at January 1	$	10,714		$	8,631		$	6,917
Provision for warranty accrual	11,363			8,112			6,701
Warranty claims and other reductions	(7,405		)	(6,542		)	(4,692		)
Foreign currency translation and other	325			513			(295		)
Balance at December 31	$	14,997		$	10,714		$	8,631

Assets And Liabilities Measured At Fair Value

The following table presents information about the Company’s assets and liabilities measured at fair value:

			Fair Value Measurements at December 31, 2013
	Total		Level 1		Level 2		Level 3
Assets
Cash equivalents	$	240,159	$	240,159	$	—	$	—
Auction rate securities	1,120		—		—		1,120
Total assets	$	241,279	$	240,159	$	—	$	1,120
Liabilities
Contingent purchase consideration	$	375	$	—	$	—	$	375
Interest rate swap	423		—		423		—
Total liabilities	$	798	$	—	$	423	$	375

			Fair Value Measurements at December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets
Cash equivalents	$	237,049	$	237,049	$	—	$	—
Auction rate securities	1,112		—		—		1,112
Total assets	$	238,161	$	237,049	$	—	$	1,112
Liabilities
Contingent purchase consideration	$	3,023	$	—	$	—	$	3,023
Interest rate swaps	855		—		855		—
Total liabilities	$	3,878	$	—	$	855	$	3,023

Assets Measured At Fair Value On A Recurring Basis Using Significant Unobservable Inputs

The following table presents information about the Company’s movement in level 3 assets and liabilities measured at fair value:

	2013			2012
Auction Rate Securities
Balance, January 1	$	1,112		$	1,104
Change in fair value and accretion	8			8
Balance, December 31	$	1,120		$	1,112
Contingent Purchase Consideration
Balance, January 1	$	3,023		$	999
Period transactions	—			2,444
Adjustment for determination of final payment	—			987
Change in fair value and currency fluctuations	(2,648		)	10
Settlements and payments	—			(1,417		)
Balance, December 31	$	375		$	3,023
Warrant
Balance, January 1	$	—		$	77
Period transactions	—			(77		)
Balance, December 31	$	—		$	—

Components Of Accumulated Other Comprehensive Income (Loss)

Total components of accumulated other comprehensive loss were as follows:

	December 31,
	2013			2012
Foreign currency translation adjustments	$	(1,677	)	$	(2,802	)
Unrealized loss on derivatives, net of tax of $168 and $331	(256		)	(524		)
Change in carrying value of auction rate securities	232			232
Attribution to NCI and redeemable NCI	—			3,292
Purchase of NCI and redeemable NCI	—			(3,292		)
Accumulated other comprehensive loss	$	(1,701	)	$	(3,094	)

Fair Value Of Cash Flow Hedges

The fair value amounts in the consolidated balance sheets were:

	Notional Amounts1				Other Assets				Deferred Income Taxes And Other Long-Term Liabilities
	December 31,				December 31,				December 31,
	2013		2012		2013		2012		2013		2012
Interest rate swap(s)	$	12,666	$	14,000	$	—	$	—	$	423	$	855
Total	$	12,666	$	14,000	$	—	$	—	$	423	$	855

 (1) Notional amounts represent the gross contract/notional amount of the derivatives outstanding.

Derivative Gains (Losses) In The Consolidated Statements Of Income Related To Interest Rate Swap Contracts

The derivative gains and losses in the consolidated statements of income for the years ended December 31, 2013, 2012 and 2011, related to the Company’s interest rate swap contracts were as follows:

	Year Ended December 31,
	2013			2012			2011
Effective portion recognized in other comprehensive income (loss), pretax:
Interest rate swap	$	881		$	944		$	562
Effective portion reclassified from other comprehensive income (loss) to interest expense, pretax:
Interest rate swap	$	(449	)	$	(576	)	$	(629	)
Ineffective portion recognized in income:
Interest rate swap	$	—		$	—		$	—