Financial Commitments (Tables)

6 Months Ended

Jun. 30, 2017

Financial Commitments [Abstract]

Long-term Debt

	As of June 30,		As of December 31,
(in thousands)	2017		2016
2017 Senior Notes	$	492,360	$	—
2017 Credit Facility		118,160		—
2010 Senior Notes		—		298,120
2014 Revolver		—		147,990
Term Loan		—		54,650
Convertible Notes		157,046		152,668
Equipment financing, mortgages and acquisition-related notes		89,311		101,558
Other indebtedness		5,783		4,533
Total debt		862,660		759,519
Less – current maturities		(30,333)		(85,890)
Long-term debt, net	$	832,327	$	673,629

Reconciliation Of Outstanding Debt Balance To Reported Debt Balance

	As of June 30, 2017						As of December 31, 2016
(in thousands)	Outstanding Long-Term Debt		Unamortized Discounts and Issuance Costs		Long-Term Debt, as reported		Outstanding Long-Term Debt		Unamortized Discounts and Issuance Costs		Long-Term Debt, as reported
2017 Senior Notes	$	500,000	$	(7,640)	$	492,360	$	—	$	—	$	—
2017 Credit Facility		125,000		(6,840)		118,160		—		—		—
2010 Senior Notes		—		—		—		300,000		(1,880)		298,120
2014 Revolver		—		—		—		152,500		(4,510)		147,990
Term Loan		—		—		—		57,000		(2,350)		54,650
Convertible Notes		200,000		(42,954)		157,046		200,000		(47,332)		152,668

Summary Of Interest Expense As Reported In The Condensed Consolidated Statements of Operations

	Three Months Ended				Six Months Ended
	June 30,				June 30,
(in thousands)	2017		2016		2017		2016
Cash interest expense:
Interest on 2017 Senior Notes	$	6,780	$	—	$	6,780	$	—
Interest on 2017 Credit Facility		1,491		—		1,491		—
Interest on 2010 Senior Notes		1,207		5,719		6,926		11,438
Interest on 2014 Credit Facility		746		7,051		4,455		12,389
Interest on Convertible Notes		1,437		240		2,875		240
Other interest		831		863		1,693		2,199
Cash portion of loss on extinguishment		1,913		—		1,913		—
Total cash interest expense		14,405		13,873		26,133		26,266
Non-cash interest expense:(a)
Amortization of debt issuance costs on 2017 Senior Notes		141		—		141		—
Amortization of debt issuance costs on 2017 Credit Facility		281		—		281		—
Amortization of discount and debt issuance costs on 2010 Senior Notes		54		250		308		498
Amortization of debt issuance costs on 2014 Credit Facility		285		1,071		1,703		2,510
Amortization of discount and debt issuance costs on Convertible Notes		2,214		340		4,378		340
Non-cash portion of loss on extinguishment		5,139		—		5,139		—
Total non-cash interest expense		8,114		1,661		11,950		3,348
Total cash and non-cash interest expense	$	22,519	$	15,534	$	38,083	$	29,614

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(a)The combination of cash and non-cash interest expense produces effective interest rates that are higher than contractual rates. Accordingly, the effective interest rates for the period ended June 30, 2017 were7.13%; and9.39% for the 2017 Senior Notes and the Convertible Notes, respectively.