Consolidated Statements of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Operating activities:
Net income (loss)	$ 69.1	$ 55.9	$ (8.4)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Income (loss) from discontinued operations	(0.1)	0.5	5.9
Depreciation and amortization	257.1	258.3	193.8
Amortization of loan costs	9.2	6.9	6.3
Accretion of principal on notes	4.0	7.3	23.1
Acquisition related expenses	8.1	14.0	12.5
Stock compensation	6.4	9.2	4.8
Deferred income taxes	22.5	15.5	3.1
Loss (gain) on disposal of assets	(13.3)	0.6	(0.2)
Debt extinguishment costs	2.1	38.9	0
Other	0.4	(0.2)	(0.4)
Changes in operating assets and liabilities:
Accounts receivable, net	65.9	(177.7)	(82.2)
Inventories	(4.8)	(5.9)	(1.3)
Prepaid expenses and other current assets	60.4	(79.4)	56.5
Accounts payable	10.6	46.4	30.4
Accrued expenses and other liabilities	(196.9)	(76.2)	38.6
Net cash provided by operating activities — continuing operations	300.7	114.1	282.5
Net cash provided by (used in) operating activities - discontinued operations	0.1	(0.5)	(5.9)
Net cash provided by operating activities	300.8	113.6	276.6
Investing activities:
Acquisitions and related expenses, net of cash acquired	(15.4)	(212.9)	(464.9)
Capital expenditures	(420.5)	(293.3)	(206.5)
Proceeds from asset disposal	17.1	2.8	1.6
Proceeds from sale of investments in securities	76.2	85.3	252.7
Purchases of investments in securities	(79.1)	(73.5)	(123.7)
Net deposits to restricted cash and escrow fund	17.0	(20.5)	0
Other investing activities	(1.4)	(1.1)	(4.1)
Net cash used in investing activities	(406.1)	(513.2)	(544.9)
Financing activities:
Payments of long-term debt and capital lease obligations	(22.0)	(553.1)	(10.6)
Proceeds from debt borrowings	300.0	452.2	1,011.2
Dividends to equity holders	0	0	(447.2)
Payments of debt issuance costs	(2.8)	(10.5)	(25.9)
Proceeds from issuance of common stock	0	67.5	450.0
Payments of IPO related costs	0	(6.9)	(26.9)
Payments of tender premiums on note redemption	(0.5)	(27.6)	0
Other financing activities	(0.9)	(3.1)	(3.3)
Net cash provided by (used in) financing activities	273.8	(81.5)	947.3
Net increase (decrease) in cash and cash equivalents	168.5	(481.1)	679.0
Cash and cash equivalents, beginning of period	455.5	936.6	257.6
Cash and cash equivalents, end of period	624.0	455.5	936.6
Supplemental cash flow information:
Net cash paid for interest	184.1	162.4	126.5
Net cash paid (received) for income taxes	22.2	4.5	6.0
Supplemental noncash activities:
Capitalized interest	10.5	3.4	5.6
Change in fair value of investments in securities, net of taxes	3.0	0.1	2.8
Change in funded status of pension plan, net of taxes	$ 21.1	$ (68.9)	$ 20.3