Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2014

Accounting Policies [Abstract]

Summary Of Activity Recorded Within The Allowance For Doubtful Accounts

The following table summarizes activity recorded within the allowance for doubtful accounts balances for the years ended December 31 (in thousands):

	2014			2013			2012
Beginning balance	4,774			4,481			4,614
Bad debt expense	1,095			910			920
Reserves from acquisitions	—			183			189
Accounts written off	(1,589		)	(800		)	(1,242		)
Ending balance	$	4,280		$	4,774		$	4,481

Summary Of Interest Capitalized And Depreciation Expense

The table below sets forth the amount of interest capitalized and depreciation expense recognized during the years ended December 31 (in thousands):

	2014		2013		2012
Capitalized interest	$	420	$	182	$	376
Depreciation expense	$	19,712	$	20,478	$	19,673