Segment Reporting (Tables)

6 Months Ended

12 Months Ended

Dec. 31, 2014

Jun. 30, 2014

Segment Reporting [Abstract]

Summary of Significant Financial Information

The Company’s computation of Segment Adjusted EBITDA may not be comparable to other similarly titled measures computed by other companies because all companies do not calculate segment Adjusted EBITDA in the same fashion.

	As of and for the three months ended December 31, 2014
	Physical Infrastructure		Lit Services		Other		Corp/ elimination		Total
Revenue from external customers	$	152.7	$	157.4	$	13.8	$	—	$	323.9
Segment Adjusted EBITDA	$	102.1	$	84.2	$	3.4	$	—	$	189.7
Total assets	$	2,878.5	$	1,781.8	$	123.1	$	280.5	$	5,063.9
Capital expenditures	$	76.6	$	52.5	$	0.4	$	—	$	129.5

	As of and for the six months ended December 31, 2014
	Physical Infrastructure		Lit Services		Other		Corp/ elimination		Total
Revenue from external customers	$	302.4	$	313.5	$	28.6	$	—	$	644.5
Segment Adjusted EBITDA	$	199.4	$	166.4	$	6.9	$	—	$	372.7
Capital expenditures	$	144.6	$	98.5	$	1.7	$	—	$	244.8

	As of and for the three months ended December 31, 2013
	Physical Infrastructure		Lit Services		Other		Corp/ elimination			Total
Revenue from external customers	$	120.9	$	151.3	$	6.5	$	(1.7	)	$	277.0
Segment Adjusted EBITDA	$	80.2	$	81.1	$	1.8	$	(1.4	)	$	161.7
Capital expenditures	$	46.7	$	41.6	$	—	$	—		$	88.3

	As of and for the six months ended December 31, 2013
	Physical Infrastructure		Lit Services		Other		Corp/ elimination			Total
Revenue from external customers	$	234.5	$	300.7	$	13.3	$	(3.4	)	$	545.1
Segment Adjusted EBITDA	$	154.5	$	161.9	$	3.6	$	(2.7	)	$	317.3
Capital expenditures	$	91.9	$	83.1	$	—	$	—		$	175.0

	As of June 30, 2014
	Physical Infrastructure		Lit Services		Other		Corp/ elimination		Total
Total assets	$	2,851.8	$	1,739.1	$	43.1	$	416.4	$	5,050.4

The Company’s computation of Segment Adjusted EBITDA may not be comparable to other similarly titled measures computed by other companies because all companies do not calculate segment Adjusted EBITDA in the same fashion.

	For the year ended June 30, 2012
	Physical Infrastructure		Lit Services		Other		Corp/ eliminations			Total
Revenue from external customers	$	157,419	$	224,624	$	—	$	(6,517	)	$	375,526
Segment Adjusted EBITDA		101,060		92,120		—		(5,394	)		187,786
Total assets(1)		611,777		483,755		—		346,523			1,442,055
Capital expenditures, net of stimulus grant reimbursements		38,809		85,328		—		—			124,137

(1) Assets of discontinued operations of $67,265 are included in the Corp/elimination column for the year ended June 30, 2012.

	For the year ended June 30, 2013
	Physical Infrastructure		Lit Services		Other		Corp/ eliminations			Total
Revenue from external customers	$	413,013	$	570,462	$	27,775	$	(6,896	)	$	1,004,354
Segment Adjusted EBITDA		275,684		277,854		6,193		(5,302	)		554,429
Total assets(1)		2,311,552		1,685,510		32,363		221,815			4,251,240
Capital expenditures, net of stimulus grant reimbursements		180,261		142,940		31		—			323,232

(1) Assets of discontinued operations of $72,143 are included in the Corp/elimination column for the year ended June 30, 2013

	For the year ended June 30, 2014
	Physical Infrastructure		Lit Services		Other		Corp/ eliminations			Total
Revenue from external customers	$	495,411	$	606,213	$	28,143	$	(6,580	)	$	1,123,187
Segment Adjusted EBITDA		324,913		325,895		7,999		(5,197	)		653,610
Total assets		2,851,765		1,739,139		43,089		415,073			5,049,066
Capital expenditures		209,147		151,610		—		—			360,757

Reconciliation from net earnings/(loss) to Adjusted EBITDA by segment and on a consolidated basis

Reconciliation from Segment Adjusted EBITDA to net earnings/(loss) from continuing operations

	Three months ended December 31,
	2014			2013
Segment Adjusted EBITDA	$	189.7		$	161.7
Interest expense		(53.4	)		(50.3	)
Benefit/(provision) for income taxes		4.4			(8.4	)
Depreciation and amortization expense		(96.9	)		(81.7	)
Transaction costs		(1.3	)		(0.2	)
Stock-based compensation		6.0			(57.0	)
Loss on extinguishment of debt		(30.9	)		(1.9	)
Foreign currency loss on intercompany loans		(13.3	)		0.2
Non-cash loss on investments		(0.5	)		—
Net earnings/(loss) from continuing operations	$	3.8		$	(37.6	)

	Six months ended December 31,
	2014			2013
Segment Adjusted EBITDA	$	372.7		$	317.3
Interest expense		(100.3	)		(101.8	)
Provision for income taxes		(5.0	)		(17.7	)
Depreciation and amortization expense		(192.9	)		(162.7	)
Transaction costs		(4.8	)		(0.8	)
Stock-based compensation		(117.1	)		(99.9	)
Loss on extinguishment of debt		(30.9	)		(1.9	)
Foreign currency loss on intercompany loans		(27.9	)		0.8
Non-cash loss on investments		(0.5	)		—
Net loss from continuing operations	$	(106.7	)	$	(66.7	)

Reconciliation from Total Segment Adjusted EBITDA to net earnings/(loss) from continuing operations before income taxes

	For the year ended June 30,
	2012			2013			2014
Total Segment Adjusted EBITDA	$	187,786		$	554,429		$	653,610
Interest expense		(50,720	)		(202,464	)		(203,529	)
Depreciation and amortization expense		(84,961	)		(324,532	)		(338,268	)
Transaction costs		(6,630	)		(14,204	)		(5,295	)
Impairment of cost method investment		(2,248	)		—			—
Stock-based compensation		(26,253	)		(105,849	)		(253,681	)
Loss on extinguishment of debt		—			(77,253	)		(1,911	)
Unrealized foreign currency gain		—			55			4,725
Net earnings/(loss) from continuing operations before provision for income taxes	$	16,974		$	(169,818	)	$	(144,349	)

Schedule of Geographical Information

The following is a summary of geographical information (dollars in thousands):

	For the year ended June 30,
	2012		2013		2014
Revenue from external customers:
United States	$	375,526	$	946,502	$	1,052,778
United Kingdom		—		57,488		70,271
Japan		—		364		138
	$	375,526	$	1,004,354	$	1,123,187
Long-lived assets:
United States	$	961,921	$	3,094,392	$	3,212,758
United Kingdom		—		120,221		429,879
Japan		—		2		346
	$	961,921	$	3,214,615	$	3,642,983