Financial Commitments (Tables)

9 Months Ended

Sep. 30, 2017

Financial Commitments [Abstract]

Long-term Debt

	As of September 30,		As of December 31,
(in thousands)	2017		2016
2017 Senior Notes	$	492,545	$	—
2017 Credit Facility		146,942		—
2010 Senior Notes		—		298,120
2014 Revolver		—		147,990
Term Loan		—		54,650
Convertible Notes		159,314		152,668
Equipment financing, mortgages and acquisition-related notes		83,156		101,558
Other indebtedness		4,319		4,533
Total debt		886,276		759,519
Less – current maturities		(30,951)		(85,890)
Long-term debt, net	$	855,325	$	673,629

Reconciliation Of Outstanding Debt Balance To Reported Debt Balance

	As of September 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	$	(7,455)	$	492,545	$	—	$	—	$	—
2017 Credit Facility		153,500		(6,558)		146,942		—		—		—
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		(40,686)		159,314		200,000		(47,332)		152,668

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

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(in thousands)	2017		2016		2017		2016
Cash interest expense:
Interest on 2017 Senior Notes	$	8,593	$	—	$	15,373	$	—
Interest on 2017 Credit Facility		2,035		—		3,526		—
Interest on 2010 Senior Notes		—		5,719		6,926		17,156
Interest on 2014 Credit Facility		—		3,553		4,455		15,943
Interest on Convertible Notes		1,438		1,438		4,313		1,677
Other interest		802		556		2,495		2,755
Cash portion of loss on extinguishment		—		—		1,913		—
Total cash interest expense		12,868		11,266		39,001		37,531
Non-cash interest expense:(a)
Amortization of debt issuance costs on 2017 Senior Notes		185		—		326		—
Amortization of debt issuance costs on 2017 Credit Facility		322		—		603		—
Amortization of discount and debt issuance costs on 2010 Senior Notes		—		251		308		750
Amortization of debt issuance costs on 2014 Credit Facility		—		1,458		1,703		3,969
Amortization of discount and debt issuance costs on Convertible Notes		2,268		2,066		6,646		2,405
Non-cash portion of loss on extinguishment		—		—		5,139		—
Total non-cash interest expense		2,775		3,775		14,725		7,124
Total interest expense	$	15,643	$	15,041	$	53,726	$	44,655

(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 2017 Senior Notes and the Convertible Notes were7.13% and9.39%, respectively, for the nine months ended September 30, 2017.