SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2013

SIGNIFICANT ACCOUNTING POLICIES

Schedule of impact of error on the Consolidated Statements of Income and Comprehensive Income and the Consolidated statements of Cash Flows

	Three Months Ended March 31, 2013				Three Months Ended June 30, 2013				Six Months Ended June 30, 2013
	As Previously				As Previously				As Previously
(in thousands)	Reported		As Revised		Reported		As Revised		Reported			As Revised
Consolidated Statements of Income and Comprehensive Income
Net sales	$	233,535	$	229,350	$	273,735	$	267,798	$	507,270		$	497,148
Other operating expenses*	$	43,843	$	39,658	$	54,959	$	49,022	$	98,802		$	88,680
Consolidated Statements of Cash Flows
Provision for doubtful accounts	$	5,229	$	1,657					$	14,905		$	4,591
Change in accounts receivable	$	3,644	$	7,216					$	(18,026	)	$	(7,712	)

* The other operating expense balance for the three months ended March 31, 2013 includes $0.1 million of acquisition expenses previously reported as a separate caption in the presentation of the Consolidated Statements of Income and Comprehensive Income.

	Three Months Ended March 31, 2012				Three Months Ended June 30, 2012				Six Months Ended June 30, 2012						Three Months Ended September 30, 2012
	As Previously				As Previously				As Previously						As Previously
(in thousands)	Reported		As Revised		Reported		As Revised		Reported			As Revised			Reported		As Revised
Consolidated Statements of Income and Comprehensive Income
Net sales	$	218,091	$	214,355	$	251,754	$	247,902	$	469,845		$	462,257		$	243,503	$	242,536
Other operating expenses*	$	40,219	$	36,483	$	51,256	$	47,404	$	91,475		$	83,887		$	42,177	$	41,210
Consolidated Statement of Cash Flows
Provision for doubtful accounts	$	4,723	$	907					$	12,925		$	4,462
Change in accounts receivable	$	851	$	4,667					$	(16,190	)	$	(7,727	)

* The other operating expense balance for the three months ended March 31, 2012 includes $0.1 million of acquisition expenses previously reported as a separate caption in the presentation of the Consolidated Statements of Income and Comprehensive Income.

	Nine Months Ended September 30, 2012
(in thousands, except per share amounts)	As Previously Reported			As Revised
Consolidated Statements of Income and Comprehensive Income
Net sales	$	713,349		$	704,794
Material costs	$	210,107		$	212,706
Personnel costs	$	251,189		$	248,723
Other operating expenses	$	135,566		$	125,099
Income from operations	$	91,055		$	92,834
Income before taxes	$	67,843		$	69,622
Provision for income taxes	$	25,558		$	26,257
Net income	$	42,285		$	43,365
Basic earnings per share	$	1.24		$	1.27
Diluted earnings per share	$	1.21		$	1.25
Consolidated Statement of Cash Flows
Provision for doubtful accounts	$	15,926		$	6,580
Change in accounts receivable	$	(19,612	)	$	(10,266	)

	Year Ended December 31, 2010						Year Ended December 31, 2011						Year Ended December 31, 2012
(in thousands)	As Previously Reported			As Revised			As Previously Reported			As Revised			As Previously Reported			As Revised
Consolidated Statements of Income and Comprehensive Income
Net Sales	$	817,379		$	808,766		$	918,539		$	907,794		$	985,550		$	974,429
Other operating expenses	$	165,158		$	156,545		$	177,910		$	167,165		$	188,868		$	177,747
Consolidated Statements of Cash Flows
Provision for doubtful accounts	$	20,276		$	7,252		$	24,837		$	9,396		$	19,773		$	9,589
Change in accounts receivable	$	(31,041	)	$	(18,017	)	$	(42,024	)	$	(26,583	)	$	(40,443	)	$	(30,259	)

Schedule of revision to previously reported Schedule II Allowance for Doubtful Accounts

Year (In thousands)	Classification	Balance at beginning of year		Additions Charged to Costs and Expenses		Write-offs		Balance at end of year
2012	Allowance for doubtful accounts
	Previously reported	$	22,028	$	19,773	$	20,422	$	21,379
	Revised	$	7,236	$	9,589	$	9,299	$	7,526
2011	Allowance for doubtful accounts
	Previously reported	$	16,686	$	22,101	$	16,759	$	22,028
	Revised	$	5,153	$	9,396	$	7,313	$	7,236
2010	Allowance for doubtful accounts
	Previously reported	$	10,526	$	20,276	$	14,116	$	16,686
	Revised	$	4,286	$	7,252	$	6,385	$	5,153