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Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |
Net income for the period | $ 82,429 | $ 58,781
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization of intangible assets | 79,421 | 60,037
Share-based compensation expense | 8,241 | 5,337
Excess tax benefits on share-based compensation expense | (495) | (562)
Pension expense | 306 | 231
Amortization of debt issuance costs | 578 | 667
Loss on sale and write down of capital assets | 203 |
Deferred taxes | (6,958) | (3,831)
Impairment and other non cash charges | 1,345 |
Changes in operating assets and liabilities: |  |
Accounts receivable | (27) | 9,670
Prepaid expenses and other current assets | 8,041 | (689)
Income taxes | 10,936 | 36,859
Deferred charges and credits | (17,327) | (29,267)
Accounts payable and accrued liabilities | (16,799) | (21,312)
Deferred revenue | (57,806) | (24,772)
Other assets | (2,042) | (2,212)
Net cash provided by operating activities | 90,046 | 88,937
Cash flows from investing activities: |  |
Additions of capital assets-net | (16,687) | (14,582)
Purchase of Patents | (193) |
Purchase consideration for prior period acquisitions | (609) | (2,814)
Investments in marketable securities |  | (668)
Net cash used in investing activities | (270,926) | (75,285)
Cash flow from financing activities: |  |
Excess tax benefits on share-based compensation expense | 495 | 562
Proceeds from issuance of Common Shares | 11,261 | 4,553
Purchase of Treasury Stock |  | (12,499)
Proceeds from long-term debt and revolver | 648,500 |
Repayment of long-term debt and revolver | (333,856) | (1,760)
Debt issuance costs | (9,309) | (29)
Net cash provided by (used in) financing activities | 317,091 | (9,173)
Foreign exchange gain (loss) on cash held in foreign currencies | (6,440) | 10,112
Increase in cash and cash equivalents during the period | 129,771 | 14,591
Cash and cash equivalents at beginning of the period | 284,140 | 326,192
Cash and cash equivalents at end of the period | 413,911 | 340,783
System Solutions Australia Pty Limited (MessageManager) [Member] |  |
Cash flows from investing activities: |  |
Purchase of business, net of cash acquired | (1,524) |
Operitel Corporation [Member] |  |
Cash flows from investing activities: |  |
Purchase of business, net of cash acquired | (6,260) |
Global 360 Holding Corporation [Member] |  |
Cash flows from investing activities: |  |
Purchase of business, net of cash acquired | (245,653) |
Stream Serve Inc [Member] |  |
Cash flows from investing activities: |  |
Purchase of business, net of cash acquired |  | $ (57,221)

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