Supplemental Guarantor Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 02, 2018	Dec. 31, 2017	Mar. 31, 2017
Assets
Cash and cash equivalents	$ 46,673		$ 51,370	$ 40,245
Accounts and notes receivable, net	94,345		105,245
Other current assets	209,830		158,717
Total current assets	350,848		315,332
Property and equipment, net	487,695		497,902
Intangible assets, net	195,378		209,862
Goodwill	779,394		774,939
Deferred tax asset, net	5,948		6,925
Prepaid expenses, deferred costs, and other noncurrent assets	75,245	$ 62,349	57,756
Total assets	1,894,508		1,862,716
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	22,877		31,370
Accounts payable and accrued liabilities	362,756		351,180
Total current liabilities	385,633		382,550
Long-term debt	915,586		917,721
Asset retirement obligations	61,392		59,920
Deferred tax liability, net	42,394	$ 38,709	37,130
Other long-term liabilities	70,921		75,002
Total liabilities	1,475,926		1,472,323
Shareholders' equity	418,582		390,393
Total liabilities and shareholders' equity	1,894,508		1,862,716
Eliminations
Assets
Property and equipment, net	(340)		(168)
Intangible assets, net	(720)		(723)
Goodwill	(564)
Investments in and advances to subsidiaries	(1,533,432)		(1,243,403)
Intercompany receivable	(769,056)		(779,656)
Total assets	(2,304,112)		(2,023,950)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	(12)		(12)
Total current liabilities	(12)		(12)
Intercompany payable	(772,596)		(783,144)
Total liabilities	(772,608)		(783,156)
Shareholders' equity	(1,531,504)		(1,240,794)
Total liabilities and shareholders' equity	(2,304,112)		(2,023,950)
Parent [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	89		89
Other current assets	166		399
Total current assets	255		488
Property and equipment, net			1
Investments in and advances to subsidiaries	415,663		385,729
Intercompany receivable	10,680		10,231
Deferred tax asset, net	106		332
Total assets	426,704		396,781
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable and accrued liabilities	202		978
Total current liabilities	202		978
Intercompany payable	7,920		5,410
Total liabilities	8,122		6,388
Shareholders' equity	418,582		390,393
Total liabilities and shareholders' equity	426,704		396,781
Issuer | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	7		7
Other current assets	3,025		1,585
Total current assets	3,032		1,592
Investments in and advances to subsidiaries	727,597		465,347
Intercompany receivable	183,237		211,540
Prepaid expenses, deferred costs, and other noncurrent assets	18,485		12,172
Total assets	932,351		690,651
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	1,986		4,892
Accounts payable and accrued liabilities	3,261		10,070
Total current liabilities	5,247		14,962
Long-term debt	507,607		504,912
Intercompany payable	12,461		4,271
Other long-term liabilities	249		3,998
Total liabilities	525,564		528,143
Shareholders' equity	406,787		162,508
Total liabilities and shareholders' equity	932,351		690,651
Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	29,536		15,805
Accounts and notes receivable, net	61,249		55,912
Deferred tax asset, net			(3,467)
Other current assets	103,533		73,848
Total current assets	194,318		142,098
Property and equipment, net	314,805		312,592
Intangible assets, net	147,768		159,248
Goodwill	571,326		572,274
Investments in and advances to subsidiaries	390,172		392,327
Intercompany receivable	101,199		71,477
Deferred tax asset, net	(2,103)		1,343
Prepaid expenses, deferred costs, and other noncurrent assets	32,234		28,763
Total assets	1,749,719		1,680,122
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	17,658		21,746
Accounts payable and accrued liabilities	239,879		205,200
Total current liabilities	257,537		226,946
Long-term debt	392,710		394,596
Intercompany payable	642,037		673,053
Asset retirement obligations	26,837		25,424
Deferred tax liability, net	39,462		34,926
Other long-term liabilities	23,910		25,399
Total liabilities	1,382,493		1,380,344
Shareholders' equity	367,226		299,778
Total liabilities and shareholders' equity	1,749,719		1,680,122
Non-Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	17,041		35,469
Accounts and notes receivable, net	33,096		49,333
Deferred tax asset, net			3,467
Other current assets	103,106		82,885
Total current assets	153,243		171,154
Property and equipment, net	173,230		185,477
Intangible assets, net	48,330		51,337
Goodwill	208,632		202,665
Intercompany receivable	473,940		486,408
Deferred tax asset, net	7,945		5,250
Prepaid expenses, deferred costs, and other noncurrent assets	24,526		16,821
Total assets	1,089,846		1,119,112
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	3,245		4,744
Accounts payable and accrued liabilities	119,414		134,932
Total current liabilities	122,659		139,676
Long-term debt	15,269		18,213
Intercompany payable	110,178		100,410
Asset retirement obligations	34,555		34,496
Deferred tax liability, net	2,932		2,204
Other long-term liabilities	46,762		45,605
Total liabilities	332,355		340,604
Shareholders' equity	757,491		778,508
Total liabilities and shareholders' equity	$ 1,089,846		$ 1,119,112