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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2013

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Schedule of changes in accumulated other comprehensive income (loss), by component

Changes in accumulated other comprehensive income (loss), by component, were as follows (in thousands):

		Interest Rate Derivative Agreements			Projected Pension Benefit Obligation			Translation Adjustment			Total
Balance at December 31, 2012		$	(6,985	)	$	(1,318	)	$	6		$	(8,297	)
Adjust funded status of pension plan, net of tax of $0.2 million			—			(631	)		—			(631	)
Foreign currency translation adjustment			—			—			(259	)		(259	)
Other comprehensive income before reclassifications, net of taxes of $2.5 million(1)			3,753			—			—			3,753
Amounts reclassified from accumulated other comprehensive income, net of taxes of $2.0 million			3,232			—			—			3,232
Balance at December 31, 2013		$	—		$	(1,949	)	$	(253	)	$	(2,202	)

(1)

Includes a reclassification of an unrealized loss on interest rate derivative contracts of $3.1 million.

Schedule of percentage of revenues generated from a single customer that exceeds 10% of the Company's consolidated revenue

Customer		2011			2012			2013
Verizon			10	%		11	%		13	%
AT&T			20	%		20	%		18	%

Schedule of percentage of accounts receivable, from customers that exceed 10% of the Company's consolidated accounts receivable, net of allowances

Customer		2012			2013
AT&T			31	%		29	%
Verizon			9	%		10	%

Schedule of assets and liabilities of the Company measured at fair value on a recurring basis

		December 31, 2012
Description		Quoted Prices in Active Markets (Level 1)			Significant Other Observable Inputs (Level 2)			Total
Certificates of deposit		$	—		$	363		$	363
Money market funds			1,755		$	—			1,755
​	​	​	​	​	​	​	​	​	​	​
Total assets measured at fair value		$	1,755		$	363		$	2,118
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​
Interest rate derivative (Note 9)		$	—		$	11,142		$	11,142
​	​	​	​	​	​	​	​	​	​	​
Total liabilities measured at fair value		$	—		$	11,142		$	11,142
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

		December 31, 2013
Description		Quoted Prices in Active Markets (Level 1)			Significant Other Observable Inputs (Level 2)			Total
Certificates of deposit		$	—		$	363		$	363
Money market funds		$	2,244		$	—		$	2,244
​	​	​	​	​	​	​	​	​	​	​
Total assets measured at fair value		$	2,244		$	363		$	2,607
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​
Interest rate derivative (Note 9)		$	—		$	—		$	—
​	​	​	​	​	​	​	​	​	​	​
Total liabilities measured at fair value		$	—		$	—		$	—
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

Schedule of reconciliation from basic to diluted weighted average common shares outstanding

The reconciliation from basic to diluted weighted average common shares outstanding is as follows (in thousands):

		For the Year Ended December 31,
		2011			2012			2013
Basic weighted-average common shares outstanding			15,396			15,531			15,704
Stock options			99			88			113
​	​	​	​	​	​	​	​	​	​	​
Diluted weighted-average common shares outstanding			15,495			15,619			15,817
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

Schedule of anti-dilutive potential shares that were excluded from the computation of diluted weighted average shares outstanding

The following notes the number of potential common shares not included in the above calculation because the effects of such were anti-dilutive (in thousands of shares):

		For the Year Ended December 31,
		2011			2012			2013
Stock options			274			367			61
​	​	​	​	​	​	​	​	​	​	​
Total			274			367			61
​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​

X

- Definition

Tabular disclosure of the percentage that a specified receivable or amount at risk from a counterparty under a contractual arrangement is to a specified benchmark, such as total receivables, net revenues, pretax results. Risk is the materially adverse effects of loss attributable to (a) the failure to collect a significant receivable from a major customer or group of homogeneous accounts, or (b) a failure by a counterparty to perform under terms of a contractual arrangement.

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Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

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